SAP BI Runtime error: MESSAGE_TYPE_X

Solution:

1. Go to SE38 in your BW system2. Enter program name - RSSM_OLTP_INIT_DELTA_UPDATE3. Execute
4. Just enter your datasource name (is it 0FI_AA_11 ?) and logical source system name
5. Execute the program

Nothing will appear. Now execute your process chain, it will be a success.