How To Fix /ACCGO/MCK_MAINT775 - Error in plant assignment for material &1; CBOM already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MCK_MAINT -

• Message number: 775

• Message text: Error in plant assignment for material &1; CBOM already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/MCK_MAINT775 - Error in plant assignment for material &1; CBOM already exists ?

  The SAP error message /ACCGO/MCK_MAINT775 indicates that there is an issue with the plant assignment for a material because a Configuration Bill of Materials (CBOM) already exists for that material. This typically occurs in the context of SAP's Advanced Variant Configuration (AVC) or when managing materials in the context of production planning.
  
  Cause:
  The error is triggered when you attempt to assign a material to a plant, but the system detects that a CBOM already exists for that material. This can happen if:
  
  The material is already assigned to another plant.
  The material has been configured in a way that it is linked to a CBOM, which is not compatible with the new plant assignment.
  There are inconsistencies in the configuration data or master data.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing CBOM: 
  
  Use transaction code CS03 to display the existing Configuration Bill of Materials for the material in question. Verify if