Issue with [nQSError: 10040] The requested data source name is either not found, incomplete, or incorrect. (IM002) due this error we are uanble login analytics page of OBIEE application

Cause:

The DSN tag value on the instanceconfig.xml file is incorrect or a valid data source is missing.

Solution:

Verify that a valid OBIEE 11g ODBC is configured on the ODBC manager.

Verify that the name of the ODBC data source in the instanceconfig.xml file matches the ODBC manager data source name and this will shows while opening RPD online mode.

Ex:-coreapplication_OH1084339435