How To Fix M3734 - Object type does not allow the change

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 734

• Message text: Object type does not allow the change

What causes this issue?

You want to process an object with the chosen
<DS:GLOS.change_number>change number</>. The change number identifies
an <DS:GLOS.engineering_change_order>engineering change order</>. In
this case, you can only process <DS:GLOS.change_object>change objects
</> if an <DS:GLOS.object_management_record>object management record</>
exists for the corresponding <DS:GLOS.object_type>object type</> in the
<DS:GLOS.change_master_record>change master record</>.
<ZH>Note</>
No object management records are as yet defined for object types of the
classification system and of variant configuration.

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?

To process the change object with reference to the change number,
create an object management record for the change object in the
engineering change order.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3734 - Object type does not allow the change ?

  The SAP error message M3734, which states "Object type does not allow the change," typically occurs when you attempt to modify a material master record or another object that is not permitted to be changed due to its current status or configuration. This error can arise in various contexts, such as when trying to change a material's data in a specific view or when the object is locked or in a status that does not allow changes.
  Causes:
  
  Status Restrictions: The object (e.g., material) may be in a status that does not allow changes. For example, if the material is marked as "blocked" or "archived," modifications will not be permitted.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the object type in question.
  Object Type Configuration: The configuration of the object type in the system may restrict changes. This can be due to settings in the material type or other related configurations.
  Locked Objects: The object may be locked by another user or process, preventing any changes until it is unlocked.
  
  Solutions:
  
  Check Object Status: Verify the status of the object you are trying to change. If it is blocked or archived, you may need to change its status before making modifications.
  Review Authorizations: Ensure that you have the necessary authorizations to make changes to the object. You may need to consult with your SAP security team to verify your permissions.
  Consult Configuration Settings: Review the configuration settings for the object type in question. This may involve checking the material type settings or other related configurations in the SAP system.
  Unlock the Object: If the object is locked, identify the user or process that has locked it and request that they unlock it, or wait until the lock is released.
  Use Appropriate Transaction Codes: Ensure you are using the correct transaction codes for the changes you are trying to make. For example, use MM02 for changing material master data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  Documentation: Refer to SAP documentation for detailed information on material master data management and the specific object types you are working with.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or a functional consultant who can provide more specific guidance based on your system's configuration and the context of the error.