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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01520 - Component variant &1 not assigned to an activity for plan &2 ?

  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. This can typically be done in the configuration settings for the production or planning module.
  Update Master Data: Ensure that the master data for the component variant and the activity is complete and accurate. This includes checking the material master, BOM (Bill of Materials), and routing.
  Review Planning Parameters: Check the planning parameters and settings to ensure they are correctly defined for the component variant and the activity.
  Reassign Component Variant: If necessary, reassign the component variant to the activity using the appropriate transaction codes (e.g., CS01 for creating BOMs, CA01 for creating routings).
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the configuration and assignment processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), CA01 (Create Routing), and CA02 (Change Routing).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to the planning data and assignments.
  Testing: After making changes, perform testing to ensure that the error is resolved and that the planning process can proceed without issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP specialist or support team for further assistance.