How To Fix AH502 - Maintenance types for years &1 and &2 do not match

AH502 - Overview

• Message type: E = Error

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

• Message number: 502

• Message text: Maintenance types for years &1 and &2 do not match

What causes this issue?

To copy from one year to another year, the maintenance types must match
according to the EBURNHMT table (type of burning hour maintenance). In
this case they do not match.

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?

Check that the settings are correct in the EBURNHMT table. Also check
that you have selected the correct year for copying.

Error message extract from SAP system. Copyright SAP SE.

AH502 - Details

• The SAP error message AH502, which states "Maintenance types for years &1 and &2 do not match," typically occurs in the context of maintenance planning and management within the SAP system. This error indicates that there is a mismatch in the maintenance types defined for two different years in the system, which can lead to inconsistencies in maintenance planning and execution.
  
  Cause:
  
  Mismatch in Maintenance Types: The maintenance type defined for a specific maintenance plan or task in one year does not match the maintenance type defined for another year. This can happen if the maintenance plan was modified or if there were changes in the configuration settings.
  
  Configuration Issues: Changes in the configuration of maintenance types or maintenance plans that were not properly aligned across different years.
  Data Entry Errors: Manual entry errors when setting up or modifying maintenance plans, leading to inconsistencies.
  
  
  Solution:
  
  Check Maintenance Plans: Review the maintenance plans for the years in