How To Fix AH429 - Operand value for date &1 must not be deleted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 429

• Message text: Operand value for date &1 must not be deleted

What causes this issue?

In operand &V3&, the operand value for date &v1& must not be deleted
because changes are not permitted before the date &v2&.
Date &V2& can contain the following:
Start of contract: Maintenance of operand values is not possible until
start of the contract.
End of last billing period: Maintenance of operand values is permitted
in the current billing period only.
End of last backbilling period: Maintenance of operand values is
permitted in the current backbilling period only.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH429 - Operand value for date &1 must not be deleted ?

  The SAP error message AH429, which states "Operand value for date &1 must not be deleted," typically occurs in the context of data processing or configuration where a date operand is expected but is either missing or incorrectly configured. This error can arise in various scenarios, such as during the execution of a report, transaction, or when working with certain modules in SAP.
  Cause:
  
  Missing Date Value: The error often indicates that a required date value (represented by &1) is not provided or has been deleted from the relevant configuration or data entry.
  Incorrect Configuration: The configuration settings for a particular process or transaction may not be set up correctly, leading to the system expecting a date that is not available.
  Data Integrity Issues: There may be issues with data integrity where the expected date values have been inadvertently removed or corrupted.
  
  Solution:
  
  Check Configuration: Review the configuration settings related to the transaction or report that triggered the error. Ensure that all required date fields are properly configured and populated.
  Input Required Dates: If the error occurs during data entry, ensure that all mandatory date fields are filled in correctly. If a date has been deleted, re-enter the necessary date values.
  Data Validation: Perform data validation checks to ensure that all required fields, especially those related to dates, are populated correctly in the relevant tables or records.
  Consult Documentation: Refer to SAP documentation or help resources specific to the module or transaction you are working with for additional guidance on required fields and configurations.
  Debugging: If you have access to debugging tools, you can trace the execution of the program to identify where the date operand is being referenced and why it is not available.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message AH429. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Depending on the context of the error, you may want to look into specific transaction codes (e.g., SE80 for object navigator, SE37 for function modules) to analyze the program or function module that is generating the error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.