Symptom
- When running a crystal report with selection of prompts which have no data in the backend, it generates the following error messages in Crystal Reports 2025:
'Failed to retrieve the data from the database.'
'Unknown data connection error.'
Environment
- SAP Crystal Reports 2025 Patch 8
- SAP BW (DSL)
Reproducing the Issue
- Open a crystal report in CR2025.
- Select any prompt values where there are no data found.
- Observe error message appears.
Resolution
Issue is fixed from version SAP Crystal Reports 2025 Patch 10 (or higher).
Keywords
CR2025 prompt empty no value failed to retrieve data unknown connection , KBA , BI-RA-CR , Crystal Reports designer or Business View Manager , Problem
Product
SAP Crystal Reports 2025
SAP Knowledge Base Article - Public