How To Fix /SCMB/DOCFLOW121 - Category of start document not specified

/SCMB/DOCFLOW121 - Overview

• Message type: E = Error

• Message class: /SCMB/DOCFLOW -

• Message number: 121

• Message text: Category of start document not specified

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/DOCFLOW121 - Category of start document not specified ?

  The SAP error message /SCMB/DOCFLOW121 with the description "Category of start document not specified" typically occurs in the context of SAP Supply Chain Management (SCM) when a document flow process is initiated without a specified category for the start document. This can happen in various scenarios, such as when creating or processing documents related to logistics, order management, or supply chain processes.
  
  Cause:
  
  Missing Configuration: The category of the start document may not be configured correctly in the system.
  Incomplete Data Entry: The user may not have specified the required category when initiating the document flow.
  Custom Development Issues: If there are custom developments or enhancements in the document flow process, they may not be handling the category correctly.
  System Settings: The system settings for document types or categories may not be properly defined.
  
  
  Solution:
  
  
  Check Document Configuration:
  
  Navigate to the configuration settings for document types in the SAP SCM system.
  Ensure that the categories for the relevant start