How To Fix MMRP01537 - Variant &1 assigned to line &2 (assignment to task list &3 is missing)

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 537

• Message text: Variant &1 assigned to line &2 (assignment to task list &3 is missing)

What causes this issue?

You have not assigned an activity from the iPPE process structure &V3&
to the component variant &V1&.

System Response

The system makes a default assignment to the line &V2&.

How to fix this error?

Assign an activity.

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 MMRP01537 - Variant &1 assigned to line &2 (assignment to task list &3 is missing) ?

  The SAP error message MMRP01537 indicates that a variant (identified by &1) is assigned to a specific line item (line &2) in a task list (task list &3), but there is a missing assignment that prevents the system from processing it correctly. This error typically occurs in the context of production planning or variant configuration.
  Cause:
  
  Missing Assignment: The variant is not properly assigned to the task list or the line item in the task list. This could be due to a configuration error or an incomplete setup.
  Data Inconsistency: There may be inconsistencies in the master data or configuration data related to the variant or task list.
  Incorrect Configuration: The variant may not be configured correctly in the system, leading to the inability to link it to the task list.
  
  Solution:
  
  
  Check Variant Assignment:
  
  Go to the task list in question and verify if the variant is correctly assigned to the line item. You can do this by navigating to the relevant transaction (e.g., CA01 for creating a routing).
  Ensure that the variant is correctly linked to the task list and that all necessary fields are filled out.
  
  
  
  Review Task List Configuration:
  
  Check the configuration of the task list to ensure that it is set up to accept the variant. This may involve reviewing the settings in the task list and ensuring that all required parameters are defined.
  
  
  
  Correct Data Inconsistencies:
  
  If there are inconsistencies in the data, you may need to correct them. This could involve updating the variant or task list to ensure they are aligned.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to variant configuration and task lists to ensure that you are following the correct procedures.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration to ensure that the error no longer occurs. This may involve creating a new order or running a simulation to verify that the variant is now correctly assigned.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Routing), CA02 (Change Routing), and CA03 (Display Routing) for managing task lists.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address known issues.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to task lists and variants in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning or variant configuration.