How To Fix AH501 - Not possible to copy because of change in maintenance type in year &1

AH501 - Overview

• Message type: E = Error

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

• Message number: 501

• Message text: Not possible to copy because of change in maintenance type in year &1

What causes this issue?

The maintenance type for burning hours was changed in the specified
year. Therefore, you are not permitted to copy the values of this year
to another year.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

For the year to be copied:
Select another year that had no changes to the maintenance type and can
therefore be copied.
For the year to which the values are to be copied:
Check whether the entries are correct in the EBURNHMT table (for
maintenance types) and, if necessary, delete the entry that results in
a change to the target year.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH501 - Not possible to copy because of change in maintenance type in year &1 ?

  The SAP error message AH501 indicates that there is an issue with copying a maintenance plan due to a change in the maintenance type for a specific year. This typically occurs when there is a discrepancy between the maintenance type defined in the original maintenance plan and the one that is being referenced or copied.
  
  Cause:
  The error is triggered when:
  
  The maintenance type of the original maintenance plan has been changed in a way that is incompatible with the maintenance type of the target plan or the year being referenced.
  There may be inconsistencies in the configuration of maintenance plans, such as changes in the maintenance strategy or the scheduling parameters.
  
  
  Solution:
  To resolve the AH501 error, you can take the following steps:
  
  
  Check Maintenance Type: Verify the maintenance type of both the original and target maintenance plans. Ensure that they are compatible and that the maintenance type has not been changed inappropriately.
  
  
  Review Configuration: Look into