> ## Documentation Index
> Fetch the complete documentation index at: https://docs.generalvalidation.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Data source could not be read

> Resolve run.execution.data_source in General Validation.

`run.execution.data_source` · run

A source or sink path/table could not be read (missing path, schema mismatch). Check the dataset connection.

If the problem continues, contact [support](mailto:support@generalvalidation.com) with the error code and request or Run ID. Keep source rows, exact values, credentials, and evidence files in your Azure environment.

[Troubleshooting](/troubleshooting-and-logs) · [All error codes](/errors)