# Community Support **URL:** https://forum.kx.com/c/community-support/8.md [Latest](https://forum.kx.com/latest.md) · [Categories](https://forum.kx.com/categories.md) · [Tags](https://forum.kx.com/tags.md) --- ## [About the Community Support category](https://forum.kx.com/t/about-the-community-support-category/66)
**Author:** [@system](https://forum.kx.com/u/system)\ **Replies:** 0\ **Last updated:** [June 14, 2025, 11:03am UTC](https://forum.kx.com/t/about-the-community-support-category/66 "2025-06-14T11:03:26Z")
Post your product-related or general questions and suggestions in this channel. Before you post, here are some helpful tips on creating a good post: 1. Search First Before posting, use the forum's search function to see… --- ## [Https://code.kx.com/kdb-x/learn/overview.html is down today](https://forum.kx.com/t/https-code-kx-com-kdb-x-learn-overview-html-is-down-today/15569)
**Author:** [@vajindarladdad](https://forum.kx.com/u/vajindarladdad)\ **Replies:** 2\ **Last updated:** [October 19, 2026, 10:03am UTC](https://forum.kx.com/t/https-code-kx-com-kdb-x-learn-overview-html-is-down-today/15569 "2026-10-19T10:03:17Z")
The https://code.kx.com/kdb-x/learn/overview.html page is not accessible today ..shows --- ## [Install kdb-x on windows without WSL](https://forum.kx.com/t/install-kdb-x-on-windows-without-wsl/15567)
**Author:** [@mauricemoore77](https://forum.kx.com/u/mauricemoore77)\ **Replies:** 1\ **Last updated:** [October 17, 2026, 11:34am UTC](https://forum.kx.com/t/install-kdb-x-on-windows-without-wsl/15567 "2026-10-17T11:34:38Z")
Hello, The install guide for kdb-x says "For Windows, use WSL2 (Windows Subsystem for Linux)." But our company does not allow WSL for cyber reasons, any other options available for installing and working with kdb on a … --- ## [KX Dashboards Chat Bot: API error 401: CORS requests are not allowed](https://forum.kx.com/t/kx-dashboards-chat-bot-api-error-401-cors-requests-are-not-allowed/15568)
**Author:** [@declan\_fallon1](https://forum.kx.com/u/declan_fallon1)\ **Replies:** 0\ **Last updated:** [October 16, 2026, 5:31pm UTC](https://forum.kx.com/t/kx-dashboards-chat-bot-api-error-401-cors-requests-are-not-allowed/15568 "2026-10-16T17:31:14Z")
Getting this error despite having a paid (Enterprise) API key for anthropic. I have tried using a local proxy as the URL, but same result. AI to fix wants to heavily modify nlx-proxy.js There must be an easier way? R… --- ## [Scotiabank - KX email relay migration issues](https://forum.kx.com/t/scotiabank-kx-email-relay-migration-issues/15565)
**Author:** [@lee\_quinn1](https://forum.kx.com/u/lee_quinn1)\ **Replies:** 1\ **Last updated:** [October 15, 2026, 11:20am UTC](https://forum.kx.com/t/scotiabank-kx-email-relay-migration-issues/15565 "2026-10-15T11:20:58Z")
Hi guys, Need some help on the below. Scotia is currently in the process of migrating application generated emails to Proofpoint Secure Email Relay. We have tried to update a parameter in KX control to the new host an… --- ## [FFI integration inside q](https://forum.kx.com/t/ffi-integration-inside-q/15564)
**Author:** [@felix.lungu](https://forum.kx.com/u/felix.lungu)\ **Replies:** 0\ **Last updated:** [October 15, 2026, 10:22am UTC](https://forum.kx.com/t/ffi-integration-inside-q/15564 "2026-10-15T10:22:43Z")
Hi dev team! Back in the days when i was working as a professional kdb developer, I was always hitting the same thing when I needed to integrate 3rd party products with kdb: loading and integrating dynamic libraries in… --- ## [Need clarification on appending single record using concatenation operator](https://forum.kx.com/t/need-clarification-on-appending-single-record-using-concatenation-operator/15553)
**Author:** [@vajindarladdad](https://forum.kx.com/u/vajindarladdad)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 9:22am UTC](https://forum.kx.com/t/need-clarification-on-appending-single-record-using-concatenation-operator/15553 "2026-10-12T09:22:18Z")
Hi Team, On How to work with tables - KDB-X Documentation , we have example of appending single row to a table as below: t:(\[\] name: \`Alice\`Bob\`Mike; phone: ("555-0101"; "555-0723"; "555-6666"); age: 23 32 22); t,:(\`J… --- ## [Matrix convolution](https://forum.kx.com/t/matrix-convolution/12077)
**Author:** [@DevonMcC1](https://forum.kx.com/u/DevonMcC1)\ **Replies:** 6\ **Last updated:** [October 12, 2026, 9:12am UTC](https://forum.kx.com/t/matrix-convolution/12077 "2026-10-12T09:12:36Z")
Hi - I’m trying to figure out how to do a convolution on a matrix applied to successive overlapping sub-windows. Say I have a larger matrix q)m4:zpad 4 4#“f”$til 16 where zpad:{0,/:flip 0,/:(flip x,:0),:0} / pa… --- ## [Has anyone integrated Nixtla API in KDB either with the python.jason or directly into q code?](https://forum.kx.com/t/has-anyone-integrated-nixtla-api-in-kdb-either-with-the-python-jason-or-directly-into-q-code/15556)
**Author:** [@dave2](https://forum.kx.com/u/dave2)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 1:26pm UTC](https://forum.kx.com/t/has-anyone-integrated-nixtla-api-in-kdb-either-with-the-python-jason-or-directly-into-q-code/15556 "2026-10-08T13:26:55Z")
Interested in anyone has used the Nixtla Time Series Forecasting model within KDB+ and if so whether it was via the python connector or directly into q. Looking at capabilities to deliver this for a potential project. --- ## [Incorrect example mentioned on KDB-X page](https://forum.kx.com/t/incorrect-example-mentioned-on-kdb-x-page/15549)
**Author:** [@vajindarladdad](https://forum.kx.com/u/vajindarladdad)\ **Replies:** 2\ **Last updated:** [September 14, 2026, 12:47pm UTC](https://forum.kx.com/t/incorrect-example-mentioned-on-kdb-x-page/15549 "2026-09-14T12:47:16Z")
Hi Team, Hope you are doing well. I have observed that on page A Brief Introduction to q and KDB-X - KDB-X Documentation an incorrect example is mentioned. Passing more than 2 parameters gives "Too many parameters … --- ## [Kdb VS Code Extension - 'Import Connections' JSON Template File](https://forum.kx.com/t/kdb-vs-code-extension-import-connections-json-template-file/15548)
**Author:** [@ahmed.samour](https://forum.kx.com/u/ahmed.samour)\ **Replies:** 0\ **Last updated:** [September 10, 2026, 3:28am UTC](https://forum.kx.com/t/kdb-vs-code-extension-import-connections-json-template-file/15548 "2026-09-10T03:28:30Z")
Hi all, Hope you are well and safe! My question is surround the VS Code extension - kdb by KX. I have looked over the documentation and while the page on importing connections is detailed, there is unfortunately no exa… --- ## [License File for KDB+/q](https://forum.kx.com/t/license-file-for-kdb-q/15542)
**Author:** [@contactnikunj21](https://forum.kx.com/u/contactnikunj21)\ **Replies:** 1\ **Last updated:** [August 28, 2026, 8:43am UTC](https://forum.kx.com/t/license-file-for-kdb-q/15542 "2026-08-28T08:43:54Z")
Hi, how can I get the license file for KDB+/q installation? --- ## [Unable to open Capstone project for level 3 and level 2](https://forum.kx.com/t/unable-to-open-capstone-project-for-level-3-and-level-2/15536)
**Author:** [@keerthana.raja](https://forum.kx.com/u/keerthana.raja)\ **Replies:** 1\ **Last updated:** [July 15, 2026, 1:29pm UTC](https://forum.kx.com/t/unable-to-open-capstone-project-for-level-3-and-level-2/15536 "2026-07-15T13:29:16Z")
Hi, Unable to open capstone project for level 2 and level 3. Getting access error. Please help to resolve this issue ASAP, so can complete the project quickly. --- ## [How do you start the Sample Demo Data Set for KX Dashboards in KDB-X](https://forum.kx.com/t/how-do-you-start-the-sample-demo-data-set-for-kx-dashboards-in-kdb-x/15525)
**Author:** [@declan\_fallon1](https://forum.kx.com/u/declan_fallon1)\ **Replies:** 3\ **Last updated:** [July 13, 2026, 3:22pm UTC](https://forum.kx.com/t/how-do-you-start-the-sample-demo-data-set-for-kx-dashboards-in-kdb-x/15525 "2026-07-13T15:22:26Z")
I'm running the KX Dashboards package through kdb-x. I have the Dashboards running, but I have noticed the Demo Dashboards running on port 6812 (html5evalcongroup) connection don't have data. Kickstarting a new kdb con… --- ## [Introducing Ask AI feature on code.kx.com](https://forum.kx.com/t/introducing-ask-ai-feature-on-code-kx-com/15531)
**Author:** [@ohowell](https://forum.kx.com/u/ohowell)\ **Replies:** 0\ **Last updated:** [July 6, 2026, 3:51pm UTC](https://forum.kx.com/t/introducing-ask-ai-feature-on-code-kx-com/15531 "2026-07-06T15:51:46Z")
We are happy to announce we have added Ask AI functionality to code.kx.com - click the Ask AI button in the bottom right of any docs page and ask questions, post errors for troubleshooting etc. Ask AI is based on the la… --- ## [Capstone 2.1 2.2 and 2.3](https://forum.kx.com/t/capstone-2-1-2-2-and-2-3/15530)
**Author:** [@yinzhihong12](https://forum.kx.com/u/yinzhihong12)\ **Replies:** 1\ **Last updated:** [July 6, 2026, 10:08am UTC](https://forum.kx.com/t/capstone-2-1-2-2-and-2-3/15530 "2026-07-06T10:08:05Z")
I have the finished 2.1 , 2.2 and 2.3 as following: 2.1 In the optRef table, the expiry column is in a string format. Convert this into the kdb date format. Help: See Casting meta optRef \`optRef\[\`expiry\]: "D"$optRef\[\`… --- ## [Issue with EOD job in WDB with multiprocessing enabled](https://forum.kx.com/t/issue-with-eod-job-in-wdb-with-multiprocessing-enabled/15516)
**Author:** [@jameswatt995](https://forum.kx.com/u/jameswatt995)\ **Replies:** 1\ **Last updated:** [June 15, 2026, 8:29am UTC](https://forum.kx.com/t/issue-with-eod-job-in-wdb-with-multiprocessing-enabled/15516 "2026-06-15T08:29:03Z")
Hello I have an issue with a function running at EOD in a wdb process with multiprocessing enabled. The process starts with "-s -2". We have a function that loads data from a cache and appends to data from our iHDB. … --- ## [Installation not working](https://forum.kx.com/t/installation-not-working/15511)
**Author:** [@karypid](https://forum.kx.com/u/karypid)\ **Replies:** 1\ **Last updated:** [May 26, 2026, 12:07pm UTC](https://forum.kx.com/t/installation-not-working/15511 "2026-05-26T12:07:12Z")
In the welcome page I hit "Install & Continue": After copy-pasting the license key string VSCode is forever stuck preparing to run the installation script: There is nothing shown in the "kdb" output. Any idea wh… --- ## [kdb Developer Level 2 Capstone Project does not load correctly](https://forum.kx.com/t/kdb-developer-level-2-capstone-project-does-not-load-correctly/15512)
**Author:** [@robybusila](https://forum.kx.com/u/robybusila)\ **Replies:** 1\ **Last updated:** [May 26, 2026, 8:57am UTC](https://forum.kx.com/t/kdb-developer-level-2-capstone-project-does-not-load-correctly/15512 "2026-05-26T08:57:37Z")
I have a problem with my kdb Developer Level 2 Capstone Project, the workspace is empty and I have no idea how to solve this. When I click "Launch Capstone Sandbox" on the Academy page, KX Developer opens but the worksp… --- ## [Creating virtual table for KDB-X Parquet DB ](https://forum.kx.com/t/creating-virtual-table-for-kdb-x-parquet-db/15504)
**Author:** [@suchit.sharma1](https://forum.kx.com/u/suchit.sharma1)\ **Replies:** 1\ **Last updated:** [May 20, 2026, 3:58pm UTC](https://forum.kx.com/t/creating-virtual-table-for-kdb-x-parquet-db/15504 "2026-05-20T15:58:32Z")
Is there a way to create a virtual table for a directory structure that looks like - /path/to/data Inside that directory I have partition on column A (which has let's say 1000 partitions) and in each of those column A… --- ## [Scatter plot with per-point colours from a single colour column](https://forum.kx.com/t/scatter-plot-with-per-point-colours-from-a-single-colour-column/15501)
**Author:** [@gordon1](https://forum.kx.com/u/gordon1)\ **Replies:** 0\ **Last updated:** [May 19, 2026, 8:54am UTC](https://forum.kx.com/t/scatter-plot-with-per-point-colours-from-a-single-colour-column/15501 "2026-05-19T08:54:00Z")
On dashboards, if I have data with the following columns: x | y | colour where each (x, y) point has an associated colour value, is it possible to plot this on an x-y scatter plot where each point is rendered in its co… --- ## [Offline Map in Kx Dashboard is not visible after drag'n'drop](https://forum.kx.com/t/offline-map-in-kx-dashboard-is-not-visible-after-dragndrop/15498)
**Author:** [@silas.burgmaier](https://forum.kx.com/u/silas.burgmaier)\ **Replies:** 0\ **Last updated:** [May 19, 2026, 8:53am UTC](https://forum.kx.com/t/offline-map-in-kx-dashboard-is-not-visible-after-dragndrop/15498 "2026-05-19T08:53:41Z")
Hello there, I'm currently testing Kx Dashboard and now I am stuck with trying to visualize a map. Problem is after Drag'n'Drop an Offline Map Component on the board in the middle, nothing is shown there. I see the sur… --- ## [QError: ./.ipynb\_checkpoints/par-checkpoint.txt](https://forum.kx.com/t/qerror-ipynb-checkpoints-par-checkpoint-txt/15466)
**Author:** [@k\_valee](https://forum.kx.com/u/k_valee)\ **Replies:** 3\ **Last updated:** [May 16, 2026, 5:52am UTC](https://forum.kx.com/t/qerror-ipynb-checkpoints-par-checkpoint-txt/15466 "2026-05-16T05:52:22Z")
Getting the following error while starting course-introductory-workshop. The workarounds what I tried: Renamed the folder course-introductory-workshop to course-introductory-workshop1 and then recloned the repo and re… --- ## [Tip for install\_kdb.sh curl install](https://forum.kx.com/t/tip-for-install-kdb-sh-curl-install/15479)
**Author:** [@lz4\_8fs3](https://forum.kx.com/u/lz4_8fs3)\ **Replies:** 1\ **Last updated:** [May 13, 2026, 10:11am UTC](https://forum.kx.com/t/tip-for-install-kdb-sh-curl-install/15479 "2026-05-13T10:11:29Z")
So, if you end up running the curl plus install\_kdb.sh command that is given on the website, you will find that modules don't download, or download sporadically, depending on your connection. This is annoying. So, here's… --- ## [Kdb http server](https://forum.kx.com/t/kdb-http-server/14329)
**Author:** [@mauricemoore77](https://forum.kx.com/u/mauricemoore77)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 6:10am UTC](https://forum.kx.com/t/kdb-http-server/14329 "2026-04-22T06:10:16Z")
I’m trying to build a REST api directly in kdb. Unfortunately, -30!(::) for deferred response does not seem to be available for use in the .z.ph handler. Is there any way around this? I can’t see a way to implement a loa… --- ## [Access in Belarus](https://forum.kx.com/t/access-in-belarus/15454)
**Author:** [@aimee.mck123](https://forum.kx.com/u/aimee.mck123)\ **Replies:** 1\ **Last updated:** [April 15, 2026, 8:54am UTC](https://forum.kx.com/t/access-in-belarus/15454 "2026-04-15T08:54:51Z")
Hi! Just wondering if people from Belarus can access the KX Academy certifications and training activities. --- ## [Nonupdate error with s flag on while querying paritioned hdbs](https://forum.kx.com/t/nonupdate-error-with-s-flag-on-while-querying-paritioned-hdbs/15453)
**Author:** [@dang30.swati](https://forum.kx.com/u/dang30.swati)\ **Replies:** 1\ **Last updated:** [April 7, 2026, 4:30pm UTC](https://forum.kx.com/t/nonupdate-error-with-s-flag-on-while-querying-paritioned-hdbs/15453 "2026-04-07T16:30:30Z")
any example to get the below nonupdate error? To avoid noupdate errors on queries on partitioned tables, put count table in your startup script. --- ## [Show and Tell! I built a free interactive platform to learn KDB/q and I'm looking for feedback from the community](https://forum.kx.com/t/show-and-tell-i-built-a-free-interactive-platform-to-learn-kdb-q-and-im-looking-for-feedback-from-the-community/15448)
**Author:** [@davederrick123](https://forum.kx.com/u/davederrick123)\ **Replies:** 0\ **Last updated:** [March 23, 2026, 3:41pm UTC](https://forum.kx.com/t/show-and-tell-i-built-a-free-interactive-platform-to-learn-kdb-q-and-im-looking-for-feedback-from-the-community/15448 "2026-03-23T15:41:18Z")
I've recently been trying to make the transition into KDB/Q development and have found it quite difficult. Outside of being a hermit, scouring a few related subreddits and working my way through the docs, I've found it s… --- ## [Is there any impact on performance when moving a kdb app inside a docker container?](https://forum.kx.com/t/is-there-any-impact-on-performance-when-moving-a-kdb-app-inside-a-docker-container/15447)
**Author:** [@jameswatt995](https://forum.kx.com/u/jameswatt995)\ **Replies:** 0\ **Last updated:** [March 23, 2026, 2:45pm UTC](https://forum.kx.com/t/is-there-any-impact-on-performance-when-moving-a-kdb-app-inside-a-docker-container/15447 "2026-03-23T14:45:38Z")
I am planning to move a q app inside a Docker container. I am doing this so migrations are easier in the future. I am worried that having the tps inside the container might affect throughput. I am also worried that readi… --- ## [Cannot install kdb-x from VS code extension](https://forum.kx.com/t/cannot-install-kdb-x-from-vs-code-extension/15445)
**Author:** [@alexfrq](https://forum.kx.com/u/alexfrq)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 12:30pm UTC](https://forum.kx.com/t/cannot-install-kdb-x-from-vs-code-extension/15445 "2026-03-19T12:30:27Z")
I’m following instructions in this page KDB-X from the kdb Visual Studio Code Extension - kdb Visual Studio Code Extension Documentation In step 3, after pasting the license key, I just got a pop-up error message saying… [Next page](https://forum.kx.com/c/community-support/8.md?page=1)