How To Fix CM400 - Object category not contained in any list (&).

CM400 - Overview

• Message type: E = Error

• Message class: CM - Task list messages: Material component allocations

• Message number: 400

• Message text: Object category not contained in any list (&).

INCLUDE NA_SYSAD2

Error message extract from SAP system. Copyright SAP SE.

CM400 - Details

• The SAP error message CM400, which states "Object category not contained in any list (&)," typically occurs in the context of SAP's Configuration Management (CM) or when dealing with object categories in various modules. This error indicates that the system is unable to find the specified object category in the expected list or configuration.
  Causes:
  
  Incorrect Object Category: The object category you are trying to use may not be defined in the system or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the object category.
  
  Configuration Issues: The configuration settings for object categories may not be properly set up in the system.
  Data Inconsistency: There may be inconsistencies in the data that prevent the system from recognizing the object category.
  
  Solutions:
  
  
  Check Object Category Definition:
  
  Go to the relevant configuration transaction (e.g., SPRO) and check if the object category is defined correctly.
  Ensure that the object category exists in the system