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

AH429 - Overview

• 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