SAP Message RSM2021 - Processing in source system terminated; system error when analyzing

Diagnosis
The background processing was not completed in the source system and mayhave been cancelled.
The wizard tried to read the job overview in the source system, but thiswas not possible due to an error in the source system. This indicatesthat the source system was configured incorrectly.

System Response
V1

Procedure
Check the status of the source system. In particular, ensure that the BIAdd-ons for the source system have been correctly installed.