Message type: E = Error
Message class:  FKKEXC - Message Class for External Payments 
Message number: 035
Message text: Data record with document number &1 does not exist in table DFKKEXC
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The SAP error message FKKEXC035 indicates that a data record with a specific document number does not exist in the table DFKKEXC. This error typically occurs in the context of contract accounts receivable and payable (FI-CA) when the system is trying to access or process a document that it cannot find in the expected database table.
Cause: Document Deletion: The document with the specified number may have been deleted or archived, which means it no longer exists in the DFKKEXC table. Incorrect Document Number: The document number being referenced may be incorrect or mistyped. Data Inconsistency: There may be inconsistencies in the database, possibly due to incomplete transactions or issues during data migration. Authorization Issues: The user may not have the necessary authorizations to view or access the document. System Configuration: There may be configuration issues in the FI-CA module that prevent the document from being properly recorded or retrieved.
Solution: Verify Document Number: Check the document number
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