How To Fix RP998 - Value is not allowed (T578W)

SAP Error Message - Details

• Message type: E = Error

• Message class: RP - Error Messages for Infotype Module Pools

• Message number: 998

• Message text: Value is not allowed (T578W)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RP998 - Value is not allowed (T578W) ?

  The SAP error message RP998 with the description "Value is not allowed (T578W)" typically occurs in the context of payroll processing, particularly when dealing with wage types or infotypes that have specific validation rules. The error indicates that a value being processed does not meet the criteria defined in the configuration table T578W.
  Cause:
  
  Invalid Wage Type: The wage type being processed may not be valid for the specific payroll run or employee group.
  Configuration Issues: There may be issues in the configuration of wage types in the T578W table, which defines the allowed values for various wage types.
  Data Entry Errors: Incorrect data entry in infotypes or payroll results can lead to this error.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to process certain wage types.
  
  Solution:
  
  
  Check Wage Type Configuration:
  
  Go to transaction code SM30 or SM31 and view the T578W table.
  Verify that the wage type being processed is correctly configured and that the values being used are allowed.
  
  
  
  Review Payroll Results:
  
  Use transaction code PC_PAYRESULT to check the payroll results for the employee in question.
  Look for any inconsistencies or incorrect values that may be causing the error.
  
  
  
  Correct Data Entry:
  
  Ensure that all data entered in the relevant infotypes (e.g., IT0008 for Basic Pay, IT0014 for Recurring Payments/Deductions) is accurate and conforms to the expected formats and values.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP HR consultant to understand the specific rules and configurations related to the wage types in question.
  
  
  
  Authorization Check:
  
  Ensure that the user processing the payroll has the necessary authorizations to handle the wage types involved.
  
  
  
  Testing:
  
  If changes are made to the configuration or data, perform a test payroll run to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM30/SM31: For maintaining table entries.
  PC_PAYRESULT: For viewing payroll results.
  PA20/PA30: For displaying and maintaining employee master data.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after following these steps, it may be beneficial to involve your SAP support team or a consultant with expertise in SAP HR and payroll configurations.