How To Fix MG780 - Serial number profile cannot be changed for plant &1 of material &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 780

• Message text: Serial number profile cannot be changed for plant &1 of material &2.

What causes this issue?

You cannot remove the <LS>Serial Number Profile </>as the
<LS>Registrable</> field in the <LS>Production Resource and Tools
</>section is selected.

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

System Response

How to fix this error?

If you want to remove serial number profile, kindly uncheck
<LS>Registrable </>field first.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG780 - Serial number profile cannot be changed for plant &1 of material &2. ?

  The SAP error message MG780 indicates that there is an issue with changing the serial number profile for a specific material in a particular plant. This error typically arises when you attempt to modify the serial number profile of a material that already has existing serial numbers assigned to it.
  Cause:
  
  Existing Serial Numbers: The primary cause of this error is that the material in question already has serial numbers assigned to it in the specified plant. SAP does not allow changes to the serial number profile once serial numbers are assigned to ensure data integrity and consistency.
  Configuration Restrictions: The serial number profile may be locked or restricted due to configuration settings in the system.
  Material Status: The material may be in a status that does not allow changes to its serial number profile.
  
  Solution:
  
  
  Check Existing Serial Numbers: Before attempting to change the serial number profile, check if there are any existing serial numbers assigned to the material in the specified plant. You can do this by navigating to the serial number management transactions (e.g., IQ01, IQ02).
  
  
  Remove Existing Serial Numbers: If you need to change the serial number profile, you may need to remove or archive the existing serial numbers. This can be done through the appropriate transactions, but be cautious as this may affect inventory and tracking.
  
  
  Change Serial Number Profile: Once there are no existing serial numbers assigned to the material, you can proceed to change the serial number profile in the material master record (transaction MM02).
  
  
  Consult Configuration: If you believe the error is due to configuration settings, consult with your SAP configuration team to review the serial number profile settings and any restrictions that may be in place.
  
  
  Material Status: Ensure that the material is not in a status that prevents changes. You may need to change the status of the material if applicable.
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM02: Change Material Master
  IQ01/IQ02: Create/Change Serial Numbers
  
  
  Documentation: Refer to SAP Help documentation for detailed information on serial number management and material master data.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to serial number profiles and error MG780.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional insights.