Message type: E = Error
Message class:  HRPAY99CUMU - Messages for Cumulations 
Message number: 104
Message text: Internal error when assigning to Table &
An error occured with an ASSIGN statement for the internal table
mentioned.
This table is flagged as a cumulation table in the system table T56C8.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Check if this table is available in the structure for the payroll
result ( PAYxx_RESULT).
If the error occurs in a customer system, contact SAP support.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRPAY99CUMU104 typically indicates an internal error that occurs during the payroll processing in the Human Resources (HR) module. This error is related to the assignment of data to a specific table, which can be caused by various issues. Here’s a breakdown of the potential causes, solutions, and related information: Causes: Data Inconsistencies: There may be inconsistencies or corruption in the payroll data or master data that the system is trying to process.
Configuration Issues: Incorrect configuration in the payroll schema or related settings can lead to this error. Missing or Incorrect Entries: Required entries in the relevant tables may be missing or incorrectly defined. Custom Code: If there are custom enhancements or modifications in the payroll process, they might be causing the error. System Bugs: There could be bugs in the SAP version you are using that lead to this error. Solutions: Check Data Consistency: Use transaction codes like PA30 (Maintain HR Master Data)
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