How To Fix STGR012 - Select the master plant instead of the assigned plant

SAP Error Message - Details

• Message type: E = Error

• Message class: STGR - Hold store grouping messages

• Message number: 012

• Message text: Select the master plant instead of the assigned plant

What causes this issue?

The plants that you selected are assigned plants. They cannot be
changed or deleted directly.

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?

Select their master plant and proceed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message STGR012 - Select the master plant instead of the assigned plant ?

  The SAP error message STGR012 ("Select the master plant instead of the assigned plant") typically occurs in the context of SAP's logistics and supply chain modules, particularly when dealing with plant and material master data. This error indicates that the system expects you to select a "master plant" rather than a "subordinate plant" or an "assigned plant" in a specific transaction or process.
  Cause:
  
  Incorrect Plant Selection: The user has selected a plant that is not designated as a master plant in the system. In SAP, a master plant is usually the main plant responsible for certain operations, while assigned plants may be subordinate or dependent on the master plant.
  Configuration Issues: The configuration of the plants in the system may not be set up correctly, leading to confusion between master and assigned plants.
  Transaction Context: The transaction you are trying to execute may specifically require a master plant for certain operations, such as planning, procurement, or production.
  
  Solution:
  
  Select the Correct Plant: Ensure that you are selecting a plant that is designated as a master plant. You can check the plant configuration in the SAP system to identify which plants are classified as master plants.
  Review Plant Settings: Go to the configuration settings in SAP (usually in the SPRO transaction) and verify the settings for the plants involved. Ensure that the master plant is correctly defined and that the relationships between plants are properly established.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction you are using to understand the requirements for plant selection.
  User Training: If users are frequently encountering this error, consider providing training or guidance on how to select the appropriate plants in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with plant and material master data, such as MM01 (Create Material), MM02 (Change Material), and others.
  Master Data Management: Understanding the principles of master data management in SAP can help prevent such errors. This includes knowing how plants are categorized and how they interact with other master data elements.
  SAP Notes: Check for any SAP Notes or updates related to this error message, as there may be patches or updates that address specific issues or provide additional guidance.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.