How To Fix MMRP01520 - Component variant &1 not assigned to an activity for plan &2

MMRP01520 - Overview

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 520

• Message text: Component variant &1 not assigned to an activity for plan &2

What causes this issue?

You have not assigned an activity in the process structure &V2& of the
iPPE to the component variant &V1&.

System Response

This variant is not included in the planning matrix.

How to fix this error?

Assign an activity in the process structure, that you have created for
the product to be planned, to the component variant.

Procedure for System Administrators

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.

MMRP01520 - Details

• The SAP error message MMRP01520 indicates that a component variant (identified by &1) is not assigned to an activity for a specific plan (identified by &2). This error typically occurs in the context of production planning or material requirements planning (MRP) when the system is trying to process a plan that references a component variant that has not been properly linked to an activity.
  
  Cause:
  
  Missing Assignment: The component variant has not been assigned to the relevant activity in the planning setup.
  
  Configuration Issues: There may be issues with the configuration of the variant or the activity in the system.
  Data Inconsistencies: There could be inconsistencies in the master data or planning data that prevent the system from recognizing the assignment.
  Incorrect Planning Parameters: The planning parameters or settings may not be correctly defined for the component variant.
  
  
  Solution:
  
  Check Assignment: Verify that the component variant is correctly assigned to the relevant activity in the planning setup.