DB Connect for MS SQL External Database

While pulling data in BW from MSSQL Database by DB Connect, I faced this problem

of NO MAPPING AVAILABLE FOR DataSource XXXXXXX. Assign an InfoSource.

and Errors in source system.

My BW System is currently at following patch level

SAP_BW - Patch Level 009

SAP_BASIS - Patch Level 033

SAP_ABA - Patch level 033.

I saw a note for the same on OSS (Note Number: 354972) but the source code corrections are already implemented in my BW system.

Any help regarding this will be most appreciated.

Thanking you all in advance..

Regards,

Parthiv Shah