Schema issue in Q&A

Hi Anonymous 

The “There’s a problem with the linguistic schema” message in Q&A usually means you don’t have permission to access the dataset’s linguistic model (the internal file used by Q&A to understand your data).
Here are the main causes and solutions:

Permission issue – You need at least Build permission on the dataset. Viewer access is not enough.

If the report uses a shared dataset, ask the dataset owner to give you Build access.

If you are the owner, republish the dataset to refresh the linguistic schema.

Dataset ownership – Q&A training (Relationships, synonyms, phrasing, etc.) can only be edited by the dataset owner or someone with Build access.

Regenerate the linguistic schema – Open the PBIX that contains the model → go to Modeling > Q&A setup → make any small change and republish. This forces the schema to rebuild.

Service settings – Check with your admin that the Q&A feature is enabled under Tenant settings > Q&A in the Power BI admin portal.

Local environment – If using Desktop, clear cache and sign out/in before publishing again.

If the problem continues even after verifying these points, it’s likely an environment or service-side issue. In that case, I recommend opening a Microsoft Support ticket and attaching the screenshot plus your Desktop and Service version details to allow further investigation.

If this post helps, then please consider Accepting it as the solution to help the other members find it more quickly