Symptom
After upgrade of source HANA system, Data Flow failed with error
Group messages: Group: default; Messages: Graph failure: producer1 failed with the following error: RUN-050802: |Reader LoadMapper_XXXX_producer1-Mapping1 Cannot convert data <XXX> into type <XXX>. Context: Column <>. Process(es) terminated with error(s). restartOnFailure==false
The Data Flow worked before upgrade, and there was no data type change after upgrade.
Environment
- SAP Datasphere
Cause
The update may have introduced changes to the data or its structure. The dataflow fetches metadata from the source and maps it to the existing target. If the source changes, this mapping can break.
Resolution
Refresh columns from the source as shown in below screen:
Keywords
KBA , DS-DI-DF , Data Flows , How To