Error message while activating Planning Area in S&OP on Hana

Hi,

While activating my new created planning area, I am receiving the below error. Can you please help and guide me what could be the issue ?

Exception raised from  InternalError: dberror(CallableStatement.execute): 129 - transaction rolled back by an internal error:  [129] SAP_SFND.sap.sop.sopfnd.catalogue::SOPDM_ACTIVATEPLAREA: line 898 col 2 (at pos 8757): [129] (range 3): transaction rolled back by an internal error: transaction rolled back by an internal error:  [129] SAP_SFND.sap.sop.sopfnd.catalogue::SOPDM_PLANSESSION_XML_CNSTR: line 1274 col 2 (at pos 8682): [129] (range 3): transaction rolled back by an internal error: transaction rolled back by an internal error:  [129] SAP_SFND.sap.sop.sopfnd.catalogue::SOPDM_PLANSESSION_TABLE_CNSTR: line 125 col 2 (at pos 6123): [129] (range 3): transaction rolled back by an internal error: duplicate column name: T99CUSTDESCR: line 1 col 351 (at pos 350) at ptime/query/plan_executor/trex_wrapper/trex_wrapper_body/trex_query.cc:808

Thanks in advance for your help.

Regards,

Chandan