How To Fix C+812 - Changing master data is not allowed for material &1 &2

C+812 - Overview

• Message type: E = Error

• Message class: C+ -

• Message number: 812

• Message text: Changing master data is not allowed for material &1 &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C+812 - Changing master data is not allowed for material &1 &2 ?

  The SAP error message C+812 ("Changing master data is not allowed for material &1 &2") typically occurs when there is an attempt to modify the master data of a material that is locked or restricted from changes. This can happen for various reasons, including:
  Causes:
  
  Material Status: The material may have a status that prevents changes, such as being marked as "Blocked" or "Inactive."
  Change Control: The system may be configured to restrict changes to certain materials based on specific criteria or settings in the material master.
  User Authorizations: The user attempting to make the changes may not have the necessary authorizations to modify the material master data.
  Document Flow: There may be open purchase orders, production orders, or other documents that reference the material, preventing changes to its master data.
  Material Type Restrictions: Certain material types may have restrictions on changing specific fields or attributes.
  
  Solutions:
  
  Check Material Status: Verify the status of the material in the