3698000 - Syntax error in program CL_MM_PUR_PO_API_FEATURE_CHK_2CP after implementing SAP Notes 3349257 and 3420399 - SAP S/4 HANA

• The transport log shows a syntax error in class CL_MM_PUR_PO_API_FEATURE_CHK_2CP include CL_MM_PUR_PO_API_FEATURE_CHK_2CCAU.
• The error indicates a type incompatibility between an internal table and a formal parameter (for example, “LT_FEATURE_TABLE is not type-compatible with IT_FEATURE_TABLE”).
• The issue occurs after implementing SAP Notes related to MM Purchasing and is typically caused by inconsistent class versions between the source and target systems.

• Materials Management (MM)
• SAP S/4HANA
• SAP Fiori

syntax error, LT_FEATURE_TABLE, IT_FEATURE_TABLE, RC8, transport issue, SAP Note 3349257, SAP Note 3420399, SAP Note 3567996, CL_MM_PUR_PO_API_FEATURE_CHK_2CP, Fiori UI, Purchase Orders, inconsistent classes, SE38, S/4HANA , KBA , MM-FIO-PUR-PO , Fiori UI for Purchase Orders , Problem