How To Fix M3831 - Plants exist in which you have not specified a control key

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 831

• Message text: Plants exist in which you have not specified a control key

What causes this issue?

The QM procurement indicator is selected for the material. If this
indicator is selected, you must also define at plant level a control
key for QM in procurement. However, there are still plants in which you
have not defined this key.

System Response

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

How to fix this error?

Maintain the material in all of the plants, specifying a control key
for QM in procurement in each case. We recommend you use the
transaction <DS:TRAN.QI05>Mass Maintenance of QM Procurement Keys in
the Material Master</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3831 - Plants exist in which you have not specified a control key ?

  The SAP error message M3831 indicates that there are plants in your system for which a control key has not been specified. This typically occurs in the context of material master data or production planning, where control keys are essential for defining how operations are managed in different plants.
  Cause:
  
  Missing Control Key: The primary cause of this error is that certain plants have not been assigned a control key in the material master or in the relevant configuration settings.
  Configuration Issues: There may be a configuration issue in the system where the control keys for specific plants have not been set up correctly.
  Data Inconsistency: There could be inconsistencies in the data where some plants are not aligned with the expected control key settings.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record for the affected materials.
  Navigate to the relevant views (e.g., MRP, Work Scheduling) and ensure that a control key is specified for each plant.
  
  
  
  Maintain Control Keys:
  
  If the control key is missing, you can add it by editing the material master data.
  Use transaction code MM02 to change the material master and specify the control key for the relevant plants.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the control keys in the system. This can be done through the following path in SPRO:
  
  Logistics > Production > Production Control > Control Key > Define Control Keys.
  
  
  Ensure that the control keys are correctly defined and assigned to the relevant plants.
  
  
  
  Data Consistency Check:
  
  Run consistency checks to ensure that all plants have the necessary control keys assigned.
  You may also want to check for any transport requests that might have affected the configuration.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on control keys and their implications in your business processes.
  
  
  
  Related Information:
  
  Control Keys: Control keys in SAP define how operations are processed in production planning and execution. They determine the type of operations that can be performed, scheduling parameters, and other relevant settings.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to resolve the M3831 error and ensure that all plants have the necessary control keys specified.