Package Manager: GMRT Android and Ubuntu runtimes give an error that a 0.21.0 dependency does not exist on the server

[Manuvkas]

What is the bug?

I am trying to test the new GMRT compiler for Android using the latest GameMaker Studio 2 LTS version (2026 runtime feed). However, the compilation fails immediately because the GMRT Android runtime module cannot be downloaded via the built-in Package Manager due to a missing package on YoYo Games' NPM registry server.

When attempting to install the Android/Linux support package for GMRT, the installation process crashes. The underlying npm process returns a non-zero exit code with an ETARGET error, explicitly stating that version 0.21.0 of the required dependency does not exist on the server.

Because the package manager fails to download the files, the directory C:\Users\manuv\gmpm-lts\GMRT\Release\lib\aarch64-linux-android is never created. Consequently, running a build with GMRT triggers a fatal System.IO.DirectoryNotFoundException inside gmrt.exe.

Since the LTS channel only offers one fixed runtime, I cannot roll back or update to another version to avoid this specific broken dependency.

Expected Change

No response

Steps To Reproduce

Open GameMaker Studio 2 LTS.
Navigate to Preferences > Runtime Feeds > Master.
Try to select and download the GMRT Android/Linux support module.
The Package Manager installation fails with a "could not find part of the path" exception window.
Attempting to compile an Android project using the GMRT option results in an unhandled .NET AggregateException (DirectoryNotFoundException).

How reliably can you recreate this issue using your steps above?

Most Times

Which version of GMRT are you reporting this issue for?

0.21.0

Which operating system(s) are you seeing the problem on?

Windows 10

Which platform(s) are you having trouble building this project for?

Android

Sample Package

https://api.gamemaker.io/api/github/downloads/5298c90d-203e-43f9-aa3e-57338381327f

[YYDan]

Preferences > Runtime Feeds is for your GMS2 runtimes - it's nothing to do with GMRT. That also explains the comment about LTS26 only having one fixed version of GMRT for you to use - it does not; it only has one GMS2 version.

In order to successfully build for GMRT you would need to actually open Package Manager itself and install the GMRT Android/Linux packages in the "GMRT" scope there. (As an FYI, this has already been improved for the future 2026.1 release, as now the IDE will offer more options to install missing GMRT runtimes in the same ways as it does missing GMS2 ones.)

Your wording does imply you have maybe tried that already, however, so we will see if the logs show a genuine issue here, or if this is just a misunderstanding and GMRT is not actually installed.

[Manuvkas]

Hi there, Thank your response! To clarify, I am using Tools > Package Manager and selecting the GMRT scope. However, when I click "Install" for the Android/Linux package, the installation fails immediately with an NPM ETARGET error. Here are the specific logs from the crash screen and the debug log file: NPM Error (Screen & Log): npm verbose type range npm verbose stack @gmrt-release-aarch64-linux-android/alarm: No matching version found for @gmrt-release-aarch64-linux-android/alarm@~0.21.0. npm verbose stack at module.exports (C:\Users\manuv\AppData\Roaming\GameMakerStudio2-LTS2026\manuvkas_1485516\node\node\node_modules\npm\node_modules\npm-pick-manifest\lib\index.js:210:23) npm verbose stack at RegistryFetcher.manifest (C:\Users\manuv\AppData\Roaming\GameMakerStudio2-LTS2026\manuvkas_1485516\node\node\node_modules\npm\node_modules\pacote\lib\registry.js:130:54) npm verbose stack at async #fetchManifest ***@***.***\arborist\lib\arborist\build-ideal-tree.js:1227:20) npm error code ETARGET npm error notarget No matching version found for @gmrt-release-aarch64-linux-android/alarm@~0.21.0. npm error notarget In most cases you or one of your dependencies are requesting npm error notarget a package version that doesn't exist. npm verbose cwd ***@***.***\all-runtime-libs npm verbose os Windows_NT 10.0.19045 npm verbose node v24.14.1 npm verbose npm v11.11.0 npm verbose exit 1 npm verbose code 1 npm error A complete log of this run can be found in: C:\Users\manuv\AppData\Local\npm-cache\_logs\2026-09-04T13_32_29_868Z-debug-0.log potential issue when fetching packages, `npm` returned non-zero exit code It seems like NPM cannot find version 0.21.0 of that specific dependency on the registry. Could this be a missing package on the server side, or is there a local cache I should clear to fix the version matching? Thanks for your help! Best regards, Manu ​[https://res.public.onecdn.static.microsoft/assets/fluentui-resources/1.1.0/app-min/assets/item-types/24/code.png]2026-09-04T13_32_29_868Z-debug-0.log<https://1drv.ms/u/c/92a3934387f82a64/IQAbeqYFdcCGT6CZBU1Yh9uLAS7MZu0Ci2R60cImyHTlI2o>​

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________________________________ De: Daniel Cleaton ***@***.***> Enviado: viernes, 4 de septiembre de 2026 10:28 Para: YoYoGames/GameMaker-Bugs ***@***.***> Cc: Manuvkas ***@***.***>; Author ***@***.***> Asunto: Re: [YoYoGames/GameMaker-Bugs] Package Manager: GMRT Android and Ubuntu runtimes give an error that a 0.21.0 dependency does not exist on the server (Issue #15938) [https://avatars.githubusercontent.com/u/15669932?s=20&v=4]YYDan left a comment (YoYoGames/GameMaker-Bugs#15938)<#15938 (comment)> Preferences > Runtime Feeds is for your GMS2 runtimes - it's nothing to do with GMRT. That also explains the comment about LTS26 only having one fixed version of GMRT for you to use - it does not; it only has one GMS2 version. In order to successfully build for GMRT you would need to actually open Package Manager itself and install the GMRT Android/Linux packages in the "GMRT" scope there. (As an FYI, this has already been improved for the future 2026.1 release, as now the IDE will offer more options to install missing GMRT runtimes in the same ways as it does missing GMS2 ones.) Will see if the logs show a genuine issue here, or if this is just a misunderstanding and GMRT is not actually installed. — Reply to this email directly, view it on GitHub<#15938?email_source=notifications&email_token=BFLKELKT2HWUSLND33LZB635NJ4K7A5CNFSNUABFM5UWIORPF5TWS5BNNB2WEL2JONZXKZKDN5WW2ZLOOQXTKNJTG44DENZZGUYKM4TFMFZW63VGMF2XI2DPOKSWK5TFNZ2KYZTPN52GK4S7MNWGSY3L#issuecomment-5537827950>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/BFLKELLVEQGM6D3ZUP2K4235NJ4K7AVCNFSNUABFKJSXA33TNF2G64TZHM3DGMZQGIZDONZZHNEXG43VMU5TKMZTHE4DQOJTGMZKC5QC>. Triage notifications, keep track of coding agent tasks and review pull requests on the go with GitHub Mobile for iOS<https://github.com/notifications/mobile/ios/BFLKELJBDLOACIEAFFGYUOT5NJ4K7A5CNFSNUABFM5UWIORPF5TWS5BNNB2WEL2JONZXKZKDN5WW2ZLOOQXTKNJTG44DENZZGUYKM4TFMFZW63VGMF2XI2DPOKSWK5TFNZ2KUZTPN52GK4S7NFXXG> and Android<https://github.com/notifications/mobile/android/BFLKELKH2RCXBGJCATS6EC35NJ4K7A5CNFSNUABFM5UWIORPF5TWS5BNNB2WEL2JONZXKZKDN5WW2ZLOOQXTKNJTG44DENZZGUYKM4TFMFZW63VGMF2XI2DPOKSWK5TFNZ2K4ZTPN52GK4S7MFXGI4TPNFSA>. Download it today! You are receiving this because you authored the thread.Message ID: ***@***.***>