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ERROR: Invalid data extension file: Cannot coerce empty String ("") to com.semmle.frontend.packs.extensions.AddsTo value (but could if coercion was enabled using CoercionConfig) (CodeQL-Community-Packs\python\ext\generated\flask.model.yml:2,14-14) #130
Description
Running in vscode local with the Community repo loaded in the workspace fails when enabling model packs:
//https://codeql.github.com/docs/codeql-for-visual-studio-code/using-the-codeql-model-editor/#testing-codeql-model-packs-in-vs-code
//To run queries on a CodeQL database with any model packs that are stored within the .github/codeql/extensions directory of the workspace,
"codeQL.runningQueries.useExtensionPacks": "all",Errors:
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`) (C:\repos\felickz\vscode-codeql-starter\CodeQL-Community-Packs\python\ext\generated\flask.model.yml:2,14-14)
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`) (C:\repos\felickz\vscode-codeql-starter\CodeQL-Community-Packs\python\ext\generated\ghastoolkit.model.yml:2,14-14)
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`) (C:\repos\felickz\vscode-codeql-starter\CodeQL-Community-Packs\python\ext\generated\itsdangerous.model.yml:2,14-14)
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`) (C:\repos\felickz\vscode-codeql-starter\CodeQL-Community-Packs\python\ext\generated\openai.model.yml:2,14-14)
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`) (C:\repos\felickz\vscode-codeql-starter\CodeQL-Community-Packs\python\ext\generated\pymysql.model.yml:2,14-14)
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`) (C:\repos\felickz\vscode-codeql-starter\CodeQL-Community-Packs\python\ext\generated\urllib3.model.yml:2,14-14)
[2025-05-06 16:34:35] [ERROR] resolve extensions-by-pack> ERROR: Invalid data extension file: Cannot coerce empty String ("") to `com.semmle.frontend.packs.extensions.AddsTo` value (but could if coercion was enabled using `CoercionConfig`)
via
codeql --version
CodeQL command-line toolchain release 2.21.2.
Activity
Hug0Vincent commentedon Mar 31, 2026
I have the same error, did you manage to fix it ?
felickz commentedon Apr 7, 2026
i have this repo cloned as a submodule - I just merged #146 to fix it up after grabbing latest codeql cli .. i no longer see this error
https://github.com/GitHubSecurityLab/CodeQL-Community-Packs/pull/146/changes#diff-543e45feda974ddc5b59eecba11fb336647c130767c9329dba7d602109cf4d70
Hug0Vincent commentedon Apr 8, 2026
Thank you