https://userapps.support.sap.com/sap/support/knowledge/en/2787344
2787344 - BRBACKUP Starting Problems - Guided Answers | SAP Knowledge Base Article
This Guided Answers contains solutions for problems if the database backup program BRBACKUP cannot be started. E.g. if the backup cannot be started from the...
sap knowledgebrbackupstartingproblemsguided
https://userapps.support.sap.com/sap/support/knowledge/en/3625101
3625101 - Incompatible BR*Tools version causes BRBackup to fail with errors | SAP Knowledge Base...
https://userapps.support.sap.com/sap/support/knowledge/en/3190752
3190752 - BRBACKUP - BR0069E File name not unique - backup/verification not possible | SAP...
file namebrbackup