How To Fix CMX_XSR012 - Operation terminated because no reference plant maintained

CMX_XSR012 - Overview

• Message type: E = Error

• Message class: CMX_XSR - Messages SXS Repository

• Message number: 012

• Message text: Operation terminated because no reference plant maintained

What causes this issue?

You have not defined a reference plant in Customizing for the
cross-plant standard XStep repository.

System Response

The cross-plant standard XStep repository cannot therefore be opened.

How to fix this error?

Procedure for System Administrators

To activate the cross-plant standard XStep Repository, you must define a
reference plant in Customizing. You can do this in one of the following
ways:
In Customizing for <LS>Production Planning for Process Industries</>,
invoke the IMG activity <DS><DS:SIMG.CMX_XSR_CPV>Define Reference Plant
for Cross-Plant Standard XStep Repository</></> and check the
<LS>Reference Box</> field for the desired plant.
Invoke transaction CMX22 directly and check the <LS>Reference Plant</>
field for the desired plant there.

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 CMX_XSR012 - Operation terminated because no reference plant maintained ?

  The SAP error message CMX_XSR012 indicates that an operation has been terminated because no reference plant has been maintained in the system. This error typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or in the context of SAP's Supply Chain Management (SCM) when trying to execute a planning or execution process that requires a reference plant.
  
  Cause:
  The primary cause of this error is that the system is unable to find a reference plant for the operation you are trying to perform. This can happen due to several reasons:
  
  Missing Configuration: The reference plant has not been defined in the relevant configuration settings.
  Incorrect Master Data: The material master or other related master data may not have the necessary reference plant information.
  Planning Area Settings: The planning area may not be correctly set up to include the reference plant.
  User Authorization: The user may not have the necessary authorizations to access the