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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH502 - Maintenance types for years &1 and &2 do not match ?

  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 question. Ensure that the maintenance types are consistent across the years. You can do this by navigating to the relevant maintenance plan in the SAP GUI and checking the details.
  Adjust Maintenance Types: If you find discrepancies, adjust the maintenance types to ensure they match for the specified years. This may involve changing the maintenance type for one of the years to align with the other.
  Review Configuration Settings: If the issue persists, review the configuration settings for maintenance types in the SAP system. Ensure that the settings are correctly defined and consistent across the relevant years.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to manage maintenance types and plans effectively.
  Testing: After making changes, test the maintenance plans to ensure that the error does not reoccur and that the maintenance scheduling works as intended.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like IP01 (Create Maintenance Plan), IP02 (Change Maintenance Plan), and IP03 (Display Maintenance Plan) to manage maintenance plans.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on maintenance planning issues.
  User Roles: Ensure that you have the appropriate permissions to make changes to maintenance plans and types in the SAP system.
  
  If the problem continues after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SAP Plant Maintenance (PM) for further assistance.