2493685 - SYNTAX_ERROR after upgrade when calling CSAP/CSEP functions

After a recent upgrade in your system, the below syntax error in the program "SAPLCSEP" occurs while calling the function module CSEP_MAT_BOM_SELECT_WHERE_USED, the following syntax errors have occurred:

• In PERFORM or CALL FUNCTION "CONVERT_MATNR_TO_INTERN_FORMAT", the actual parameter "LT_STPO-COMPONENT" is incompatible with the formal parameter "I_MATNR".

After upgrade we are getting short dumps in program /SAPMP/SAPLCSAP in form material_conversion when perform convert_matnr_to_intern_format(saplcsap).

• Structure STPO_API01, STPO_API02 and STPO_API03 has field COMPONENT of type IDNRK char 18, in prior version COMPONENT has type IDNRK char 40.

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• SAP ERP Logistics (LO)
• SAP ERP Industry Specific (IS)  
• SAP R/3
• SAP R/3 Enterprise
• SAP ERP Central Component
• SAP ERP
• SAP Enhancement package for SAP ERP
• SAP Enhancement package for SAP ERP, version for SAP HANA
• SAP S/4HANA, on-premise

SAP ERP Central Component all versions ; SAP ERP all versions ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP S/4HANA all versions ; SAP enhancement package for SAP ERP all versions ; SAP enhancement package for SAP ERP, version for SAP HANA all versions

SAPLCSAP, CSAP_MBOM, CSAP, CSEP, CSAP_MAT_BOM_READ, CSAP_MAT_BOM_SELECT, CSAP_DOC_BOM_MAINTAIN, CSAP_ORD_BOM_MAINTAIN, CONVERT_MATNR_TO_INTERN_FORMAT, LT_STPO-COMPONENT, CSEP_DATA_ADD, CSAP_MBOM-MATNR, MATERIAL, CS02, STPO_API01-COMPONENT,  STPO_APICN-INDRK, STPO_API02, STPO_API03, I_MATNR, MATNR, DIMP_SDUD, /SAPMP/SAPLCSAP, PERFORM_CONFLICT_TYPE, CX_SY_DYN_CALL_ILLEGAL_TYPE, CSAP_BOM_ITEM_MAINTAIN, CSAP_MAT_BOM_CREATE, saplcsap, /SAPMP/LCSAPF03, MATERIAL_CONVERSION , KBA , IS-A-LMN , Long Material Number , IS-A , Automotive , LO-MD-BOM , Bills of Material , Problem