SAP Message RSM2003 - Error message during processing in BI

Diagnosis
An error occurred in BI while processing the data. The error isdocumented in an error message.

System Response
A caller 01, 02 or equal to or greater than 20 contains an errormeesage.

Further analysis:
The error message(s) was (were) sent by:
V1
V2
V3
V4

Procedure
Check the error message (pushbutton below the text).
Select the message in the message dialog box, and look at the long textfor further information.
Follow the instructions in the message.