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

STGR012 - Overview

• 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.

STGR012 - Details

• 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