How To Fix M3296 - You have not assigned an MRP group to the material

M3296 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 296

• Message text: You have not assigned an MRP group to the material

What causes this issue?

You have not entered an MRP group in the material master record.

System Response

If you do not enter an MRP group, the material type takes on the
function of the MRP group. However, this will only happen if an MRP
group has been set up with the material type key in Customizing.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

M3296 - Details

• The SAP error message M3296, which states "You have not assigned an MRP group to the material," typically occurs when a material in the SAP system is missing an MRP (Material Requirements Planning) group assignment. The MRP group is essential for determining how the material will be planned and managed within the MRP process.
  
  Cause:
  
  Missing MRP Group Assignment: The material master record does not have an MRP group assigned in the relevant views (usually in the MRP 1 view).
  Incorrect Material Type: The material type may not be set up to allow MRP group assignments.
  Data Migration Issues: If data was migrated from another system, the MRP group may not have been transferred correctly.
  
  
  Solution:
  To resolve this error, you need to assign an MRP group to the material. Here are the steps to do this:
  
  
  Access the Material Master:
  
  Use transaction code MM02 to change the material master record.
  Enter the material number for which you are