How To Fix AH518 - Operand &1 updates in schema step with register data


AH518 - Overview

  • Message type: E = Error

  • Message class: AH - IS-U billing (master data)

  • Message number: 518

  • Message text: Operand &1 updates in schema step with register data

  • Show details Hide details
  • What causes this issue?

    When schema &V2& is executed, an update takes place in step &V4& using
    register operand &V1& from step &V3&. However, step &V4& has already
    been supplied with the consummption or demand of the registers
    allocated to the rate concerned. Therefore, the update in step &V4& is
    not permitted since the register information of the step would be lost.

    System Response

    The billing is canceled.

    How to fix this error?

    Change the structure of the rate concerned.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message AH518 - Operand &1 updates in schema step with register data ?
    The SAP error message AH518 indicates that there is an issue with the operand in a schema step that is trying to update with register data. This error typically occurs in the context of payroll processing or time management, where the system is attempting to process data related to employee time or payroll calculations.
    
    Cause: The error AH518 can be caused by several factors, including: Incorrect Configuration: The schema or the operation defined in the schema may not be correctly configured to handle the operand being processed. Data Issues: There may be inconsistencies or missing data in the register data that the schema is trying to update. Operand Misuse: The operand being referenced may not be appropriate for the operation being performed, or it may not be defined correctly in the schema. Versioning Issues: If there have been recent changes to the schema or the underlying data structures, it may lead to compatibility issues.
    Solution: To resolve the

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