# \#kx-academy **URL:** https://forum.kx.com/tag/kx-academy/20.md [Latest](https://forum.kx.com/latest.md) · [Categories](https://forum.kx.com/categories.md) · [Tags](https://forum.kx.com/tags.md) --- ## [My funds\_capstone workspace was deleted/corrupted in my Level 2 Sandbox, please reset my server environment.](https://forum.kx.com/t/my-funds-capstone-workspace-was-deleted-corrupted-in-my-level-2-sandbox-please-reset-my-server-environment/15517)
**Author:** [@kakamna41](https://forum.kx.com/u/kakamna41)\ **Replies:** 1\ **Last updated:** [June 10, 2026, 12:09pm UTC](https://forum.kx.com/t/my-funds-capstone-workspace-was-deleted-corrupted-in-my-level-2-sandbox-please-reset-my-server-environment/15517 "2026-06-10T12:09:54Z")
My funds\_capstone workspace was deleted/corrupted in my Level 2 Sandbox, please reset my server environment. --- ## [Capstone Project for kdb Developer Level 3 Test fail](https://forum.kx.com/t/capstone-project-for-kdb-developer-level-3-test-fail/15505)
**Author:** [@sharadvish4](https://forum.kx.com/u/sharadvish4)\ **Replies:** 1\ **Last updated:** [May 19, 2026, 10:03am UTC](https://forum.kx.com/t/capstone-project-for-kdb-developer-level-3-test-fail/15505 "2026-05-19T10:03:32Z")
as you can see here, the test for exercise 1.3 is failing, which says "check if all values are correct". how can i know which value is not correct? Section 1.3 is just about writing a function and i wrote that, the te… --- ## [kdb+/q Developer Level 2 Capstone: Exercise 2.1 date casting error](https://forum.kx.com/t/kdb-q-developer-level-2-capstone-exercise-2-1-date-casting-error/15503)
**Author:** [@devdatta.kasture](https://forum.kx.com/u/devdatta.kasture)\ **Replies:** 1\ **Last updated:** [May 19, 2026, 9:32am UTC](https://forum.kx.com/t/kdb-q-developer-level-2-capstone-exercise-2-1-date-casting-error/15503 "2026-05-19T09:32:58Z")
Hello all, I am encountering an error on the level 2 fundamentals capstone with exercise 2.1 regarding the data casting of the expiry column to a date. In the console, I see that the change has persisted and am returnin… --- ## [Issue Running Data in Workshop Session 1](https://forum.kx.com/t/issue-running-data-in-workshop-session-1/15470)
**Author:** [@ahmed.samour](https://forum.kx.com/u/ahmed.samour)\ **Replies:** 1\ **Last updated:** [April 29, 2026, 9:36am UTC](https://forum.kx.com/t/issue-running-data-in-workshop-session-1/15470 "2026-04-29T09:36:53Z")
Hi there, I am undertaking KX Academy's Developer 1 course however am unable to load all four tables as instructed in the video. When I run the first line of code, I attain a 'QError: empty'. Further, taking a look … --- ## [500 : Internal Server Error when trying to open Capstone](https://forum.kx.com/t/500-internal-server-error-when-trying-to-open-capstone/15464)
**Author:** [@cameronwmontgomery](https://forum.kx.com/u/cameronwmontgomery)\ **Replies:** 4\ **Last updated:** [April 29, 2026, 9:24am UTC](https://forum.kx.com/t/500-internal-server-error-when-trying-to-open-capstone/15464 "2026-04-29T09:24:15Z")
Getting the above issue, have looked at the some of the forum posts and couldn't find a way to resolve it. Can I get this issue looked at, thanks. --- ## [500 : Internal Server Error, Capstone 2 needs reset](https://forum.kx.com/t/500-internal-server-error-capstone-2-needs-reset/15468)
**Author:** [@cameronwmontgomery](https://forum.kx.com/u/cameronwmontgomery)\ **Replies:** 1\ **Last updated:** [April 27, 2026, 2:50pm UTC](https://forum.kx.com/t/500-internal-server-error-capstone-2-needs-reset/15468 "2026-04-27T14:50:57Z")
Hi have read through some issues similar to mine on the forum and I see people seem to get this resolved by having an admin look and do some resets. Was hoping to get some help resolving this issue so I can finish my lev… --- ## [Unable to access KX Developer through https://edu.kx.com/user/\<\<\<\>\>\>/developer/](https://forum.kx.com/t/unable-to-access-kx-developer-through-https-edu-kx-com-user-developer/15463)
**Author:** [@arvind.iyer.2001](https://forum.kx.com/u/arvind.iyer.2001)\ **Replies:** 1\ **Last updated:** [April 27, 2026, 2:44pm UTC](https://forum.kx.com/t/unable-to-access-kx-developer-through-https-edu-kx-com-user-developer/15463 "2026-04-27T14:44:03Z")
I am unable to access the KX Developer to complete my capstone project. I tried removing all the cookies and reopening the KX Developer Sandbox directly from the academy.kx.com page as well as from the Jupyter Lab la… --- ## [unable to open developer 3 capstone project, getting error "Error performing operation" when opening](https://forum.kx.com/t/unable-to-open-developer-3-capstone-project-getting-error-error-performing-operation-when-opening/15442)
**Author:** [@kazizahidali](https://forum.kx.com/u/kazizahidali)\ **Replies:** 3\ **Last updated:** [March 19, 2026, 12:32pm UTC](https://forum.kx.com/t/unable-to-open-developer-3-capstone-project-getting-error-error-performing-operation-when-opening/15442 "2026-03-19T12:32:27Z")
unable to open developer 3 capstone project, getting error "Error performing operation" when opening --- ## [Fundamentals Capstone 2.1](https://forum.kx.com/t/fundamentals-capstone-2-1/13217)
**Author:** [@msshaikh11](https://forum.kx.com/u/msshaikh11)\ **Replies:** 12\ **Last updated:** [March 13, 2026, 2:16pm UTC](https://forum.kx.com/t/fundamentals-capstone-2-1/13217 "2026-03-13T14:16:22Z")
https://learninghub.kx.com/forums/topic/fundamentals-capstone-2-1 Hi, I need help with ex2.1 for the fundamental capstone project 2.1 In the optRef table, the expiry column is in a string format. Convert this into th… --- ## [Level 2 Capstone](https://forum.kx.com/t/level-2-capstone/15430)
**Author:** [@amb.nguyen01](https://forum.kx.com/u/amb.nguyen01)\ **Replies:** 2\ **Last updated:** [March 12, 2026, 11:32am UTC](https://forum.kx.com/t/level-2-capstone/15430 "2026-03-12T11:32:46Z")
Having trouble getting the funds\_capstone workspace loaded even after unloading funds\_ipc from the previous topic How can I get access to it and also funds\_ipc again after unloading it? I seem to have cleared everything… --- ## [Exercise 2.3 Fail](https://forum.kx.com/t/exercise-2-3-fail/15434)
**Author:** [@amb.nguyen01](https://forum.kx.com/u/amb.nguyen01)\ **Replies:** 1\ **Last updated:** [March 9, 2026, 4:09pm UTC](https://forum.kx.com/t/exercise-2-3-fail/15434 "2026-03-09T16:09:13Z")
I am confused why 2.3 is marked as a Fail when this is my meta summary for the messages table. meta messages c t f a trade\_id C exch\_message C broker\_id j Code for Exercise 2.3 messages: update broker\_i… --- ## [Kdb level 2 sandbox](https://forum.kx.com/t/kdb-level-2-sandbox/15429)
**Author:** [@marcuraresm](https://forum.kx.com/u/marcuraresm)\ **Replies:** 2\ **Last updated:** [March 2, 2026, 12:24pm UTC](https://forum.kx.com/t/kdb-level-2-sandbox/15429 "2026-03-02T12:24:29Z")
Hello, i have an issue with kdb developer level 2, the sandbox for the entire course is not available, i can acces the sandbox for capstone project bur not for the course. --- ## [Capstone Project 4.1 test failed](https://forum.kx.com/t/capstone-project-4-1-test-failed/15413)
**Author:** [@dana.catalinaa1903](https://forum.kx.com/u/dana.catalinaa1903)\ **Replies:** 1\ **Last updated:** [February 23, 2026, 2:57pm UTC](https://forum.kx.com/t/capstone-project-4-1-test-failed/15413 "2026-02-23T14:57:15Z")
I pass all the tests for the capstone project, except for exercise4.1 Fail "edge15 Table Format Is Correct" "". I tried it both keyed and unkeyed, tried to rename minuteBin to minute and they all failed. What… --- ## [kdb Developer Level 2 Capstone Project Exercise 3 & 4 Errors](https://forum.kx.com/t/kdb-developer-level-2-capstone-project-exercise-3-4-errors/15412)
**Author:** [@simply.bibhu](https://forum.kx.com/u/simply.bibhu)\ **Replies:** 1\ **Last updated:** [February 23, 2026, 2:50pm UTC](https://forum.kx.com/t/kdb-developer-level-2-capstone-project-exercise-3-4-errors/15412 "2026-02-23T14:50:13Z")
Hi Folks Need little guidance here while trying to complete the project I am getting below format error for tradeContext and edge15 tables which I had created but I am not sure what’s wrong in them I also tried to hav… --- ## [Capstone level 3 - qn 3.6](https://forum.kx.com/t/capstone-level-3-qn-3-6/15384)
**Author:** [@olivandertian](https://forum.kx.com/u/olivandertian)\ **Replies:** 0\ **Last updated:** [January 14, 2026, 11:21am UTC](https://forum.kx.com/t/capstone-level-3-qn-3-6/15384 "2026-01-14T11:21:06Z")
hi folks, if the .perm.users has a user which allows ‘tables\[\]’ command. however, tables\[\] is parsed as “k){."\\\\a ",$$\[^x;\`;x\]}” in kdb. what’s a neat way to write .z.pg then? thanks! --- ## [Is there a way to reset 5099 for level 3 capstone project?](https://forum.kx.com/t/is-there-a-way-to-reset-5099-for-level-3-capstone-project/15383)
**Author:** [@olivandertian](https://forum.kx.com/u/olivandertian)\ **Replies:** 1\ **Last updated:** [January 14, 2026, 9:24am UTC](https://forum.kx.com/t/is-there-a-way-to-reset-5099-for-level-3-capstone-project/15383 "2026-01-14T09:24:56Z")
I dont know what exact functions I messed up in 5099. I can’t use a handle to perform any work, including basic ops such as h “1+1”. i’m not able to expunge any .z namespace via handle either. I tried to restart a whol… --- ## [Dashboards course - unable to launch free trial](https://forum.kx.com/t/dashboards-course-unable-to-launch-free-trial/15379)
**Author:** [@rachel\_mcconaghy](https://forum.kx.com/u/rachel_mcconaghy)\ **Replies:** 2\ **Last updated:** [January 13, 2026, 10:11am UTC](https://forum.kx.com/t/dashboards-course-unable-to-launch-free-trial/15379 "2026-01-13T10:11:21Z")
Launching the dash.bat file i know i can ignore the “cannot find node” message but it is also telling me it cannot locate q? Error message: windows cannot find 'q' make sure you typed the name correctly, and then try a… --- ## [Advanced Capstone exercise 1 errors](https://forum.kx.com/t/advanced-capstone-exercise-1-errors/15376)
**Author:** [@jajoo.aajeya](https://forum.kx.com/u/jajoo.aajeya)\ **Replies:** 1\ **Last updated:** [January 5, 2026, 1:56pm UTC](https://forum.kx.com/t/advanced-capstone-exercise-1-errors/15376 "2026-01-05T13:56:50Z")
Hello Is there a way to load the original tables event and sensor again? I was failing the test quizItem success description error exercise1.1 Pass "column file in DB should be… --- ## [Developer level 2 Capstone project exercise failure](https://forum.kx.com/t/developer-level-2-capstone-project-exercise-failure/15372)
**Author:** [@chowdaryshivafan01](https://forum.kx.com/u/chowdaryshivafan01)\ **Replies:** 2\ **Last updated:** [January 5, 2026, 12:02pm UTC](https://forum.kx.com/t/developer-level-2-capstone-project-exercise-failure/15372 "2026-01-05T12:02:48Z")
Hi I am trying to complete the capstone level 2 project but there are two failures in excercise but Im sure my coding is correct, please help me on this. exercise4.7 Fail "edgeCor Has Correct Format" "" code: edgeCor:f… --- ## [questions on namespace referencing when using \\d ](https://forum.kx.com/t/questions-on-namespace-referencing-when-using-d/15377)
**Author:** [@olivandertian](https://forum.kx.com/u/olivandertian)\ **Replies:** 1\ **Last updated:** [January 5, 2026, 10:29am UTC](https://forum.kx.com/t/questions-on-namespace-referencing-when-using-d/15377 "2026-01-05T10:29:29Z")
Hi Folks, I have a basic question encountered doing Level 3 - Namespace - Practical Questions. how exactly is the grammar for referencing namespace with \\d? get method c:3  \\d .test a:1 b:2 f1:{a+b+ get \`..c… --- ## [weather data is incorrect](https://forum.kx.com/t/weather-data-is-incorrect/15343)
**Author:** [@vjay.b5](https://forum.kx.com/u/vjay.b5)\ **Replies:** 1\ **Last updated:** [December 10, 2025, 11:32am UTC](https://forum.kx.com/t/weather-data-is-incorrect/15343 "2025-12-10T11:32:23Z")
When min date is 2009.01.01 , how come the result below has a 2008.12.27? --- ## [Level 3 Capstone - "Failed to load workspace: length"](https://forum.kx.com/t/level-3-capstone-failed-to-load-workspace-length/15344)
**Author:** [@Rossmcv98](https://forum.kx.com/u/Rossmcv98)\ **Replies:** 5\ **Last updated:** [December 9, 2025, 3:55pm UTC](https://forum.kx.com/t/level-3-capstone-failed-to-load-workspace-length/15344 "2025-12-09T15:55:17Z")
Hi there, I get the following issue when launching the level 3 capstone workspace. --- ## [weather data is incorrect?](https://forum.kx.com/t/weather-data-is-incorrect/15342)
**Author:** [@vjay.b5](https://forum.kx.com/u/vjay.b5)\ **Replies:** 3\ **Last updated:** [December 9, 2025, 11:50am UTC](https://forum.kx.com/t/weather-data-is-incorrect/15342 "2025-12-09T11:50:48Z")
When min date is 2009.01.01 , how come the result below has a 2008.12.27? --- ## [Loading Part 3 Capstone results in Server 500 + 7-character "'access" body](https://forum.kx.com/t/loading-part-3-capstone-results-in-server-500-7-character-access-body/15341)
**Author:** [@paige.relling.189](https://forum.kx.com/u/paige.relling.189)\ **Replies:** 1\ **Last updated:** [December 8, 2025, 1:02pm UTC](https://forum.kx.com/t/loading-part-3-capstone-results-in-server-500-7-character-access-body/15341 "2025-12-08T13:02:46Z")
Attempting to load the Level 3 Capstone (via the “Launch Capstone Sandbox” button) results in a nondescript “‘access” error, accompanied by a generic HTTP 500 error when the browser-tools network tab is inspected during … --- ## [kdb capstone level 3 - deleted workspace](https://forum.kx.com/t/kdb-capstone-level-3-deleted-workspace/15340)
**Author:** [@alysha1913](https://forum.kx.com/u/alysha1913)\ **Replies:** 1\ **Last updated:** [December 8, 2025, 1:00pm UTC](https://forum.kx.com/t/kdb-capstone-level-3-deleted-workspace/15340 "2025-12-08T13:00:55Z")
While trying to complete the capstone project, I deleted my workspace in attempt to reset it to its initial state, but this only managed to empty all files and data in the workspace. Is there a way to reset/recover the … --- ## [Capstone project level 2 q. what is the correct query to retrieve an option\_id from spread of type S](https://forum.kx.com/t/capstone-project-level-2-q-what-is-the-correct-query-to-retrieve-an-option-id-from-spread-of-type-s/15324)
**Author:** [@jjwallaby3](https://forum.kx.com/u/jjwallaby3)\ **Replies:** 1\ **Last updated:** [November 24, 2025, 11:19am UTC](https://forum.kx.com/t/capstone-project-level-2-q-what-is-the-correct-query-to-retrieve-an-option-id-from-spread-of-type-s/15324 "2025-11-24T11:19:56Z")
capstone project level 2 q. what is the correct query to retrieve an option\_id from spread of type S select from spread where option\_id = sym$,FB20200720C240 select from spread where option\_id = sym,FB20200720C240 se… --- ## [Why is exec in KX Developer not yet supported. doing capstone exercises. Capstone level 2 q](https://forum.kx.com/t/why-is-exec-in-kx-developer-not-yet-supported-doing-capstone-exercises-capstone-level-2-q/15325)
**Author:** [@jjwallaby3](https://forum.kx.com/u/jjwallaby3)\ **Replies:** 1\ **Last updated:** [November 24, 2025, 11:10am UTC](https://forum.kx.com/t/why-is-exec-in-kx-developer-not-yet-supported-doing-capstone-exercises-capstone-level-2-q/15325 "2025-11-24T11:10:41Z")
Hi, why is exec in KX Developer not yet supported. doing capstone exercises. Capstone level 2 q example exec distinct option\_id from trade nyi. Not yet implemented. --- ## [Cannot do call to TCP port 5457 on capstone 1 project error 'Error Blocked was reached before entering a function, or was explicitly thrown by the first function'](https://forum.kx.com/t/cannot-do-call-to-tcp-port-5457-on-capstone-1-project-error-error-blocked-was-reached-before-entering-a-function-or-was-explicitly-thrown-by-the-first-function/15322)
**Author:** [@jjwallaby3](https://forum.kx.com/u/jjwallaby3)\ **Replies:** 0\ **Last updated:** [November 22, 2025, 6:13am UTC](https://forum.kx.com/t/cannot-do-call-to-tcp-port-5457-on-capstone-1-project-error-error-blocked-was-reached-before-entering-a-function-or-was-explicitly-thrown-by-the-first-function/15322 "2025-11-22T06:13:38Z")
cannot do call to TCP port 5457 on capstone 1 project error 'Error Blocked was reached before entering a function, or was explicitly thrown by the first function' --- ## [How to reset workspace tests cannot be run](https://forum.kx.com/t/how-to-reset-workspace-tests-cannot-be-run/15320)
**Author:** [@user20](https://forum.kx.com/u/user20)\ **Replies:** 1\ **Last updated:** [November 19, 2025, 12:16pm UTC](https://forum.kx.com/t/how-to-reset-workspace-tests-cannot-be-run/15320 "2025-11-19T12:16:14Z")
Hi, need help to reset workspace so tests can run again. I cannot run after ive deleted tables. how can this be done again. also is there option to specify why tests are failing as i cannot determine whats wrong with my… --- ## [KX Capstone, Level 3](https://forum.kx.com/t/kx-capstone-level-3/15308)
**Author:** [@aimee.mck123](https://forum.kx.com/u/aimee.mck123)\ **Replies:** 1\ **Last updated:** [October 28, 2025, 2:12pm UTC](https://forum.kx.com/t/kx-capstone-level-3/15308 "2025-10-28T14:12:21Z")
Hi everyone - I’m currently working on my Level 3 capstone project for KX Academy and have run into a technical issue that I haven’t been able to resolve. I’ve already tried clearing my cookies, using private/incognito … [Next page](https://forum.kx.com/tag/kx-academy/20.md?match_all_tags=true&page=1&tags%5B%5D=kx-academy)