Unable to locate the commit sha:

Please verify that the commit sha is correct, and increase the 'fetch_depth' input if needed

Error when evaluating 'strategy' for job 'build'. .github/workflows/build.yml (Line: 30, Col: 18): Error parsing fromJson,.github/workflows/build.yml (Line: 30, Col: 18): Error reading JToken from JsonReader. Path '', line 0, position 0.,.github/workflows/build.yml (Line: 30, Col: 18): Unexpected value ''