Starting with the release of Strategy ONE (March 2024), dossiers are also known as dashboards.
Starting with Strategy 2020, "SQL engine got an exception from DFC" error appears in a dossier visualization after applying a view filter on a compound metric when using the Live data access mode as shown below:

"SQL engine got an exception from DFC: [DFCENGINE] Engine Logic: Fact entry total form is NULL! This could be caused by a corrupted metadata"
Refer to Knowledge Base Article below for an understanding of Connect Live to data source.
KB236043: New feature in MicroStrategy Web 10: Connect Live to data source (Direct Data Access) in Data Import
This is a known issue with Strategy 2020 and later.
Strategy will continue to investigate and post updates as soon as they are available.