How To Fix CH122 - Internal document number assignment not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 122

• Message text: Internal document number assignment not allowed

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 CH122 - Internal document number assignment not allowed ?

  The SAP error message CH122, which states "Internal document number assignment not allowed," typically occurs in the context of document management or when dealing with internal document numbers in SAP. This error can arise in various scenarios, such as during the creation of documents, posting transactions, or when trying to assign document numbers manually.
  Causes:
  
  
  Document Number Range Configuration: The internal number range for the document type you are trying to use may not be configured correctly. This can happen if the number range is set to external when you are trying to assign an internal number.
  
  
  Document Type Settings: The document type you are using may not allow internal number assignment. This can be due to specific settings in the configuration of the document type.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create or assign internal document numbers.
  
  
  System Configuration: There may be inconsistencies or misconfigurations in the system settings related to document management.
  
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects) and check the configuration for the relevant number range object.
  Ensure that the number range is set to allow internal number assignment if that is what you need.
  
  
  
  Review Document Type Settings:
  
  Use transaction code OBA7 to check the settings for the document type you are working with.
  Ensure that the document type is configured to allow internal number assignment if that is required for your process.
  
  
  
  User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to create or assign internal document numbers.
  You can use transaction code SU53 to analyze authorization issues after the error occurs.
  
  
  
  Consult with Basis or Configuration Team:
  
  If the issue persists, it may be necessary to consult with your SAP Basis or configuration team to review the overall system settings and configurations related to document management.
  
  
  
  SAP Notes and Documentation:
  
  Check for any relevant SAP Notes that may address this specific error. You can search for notes in the SAP Support Portal.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SNRO (Number Range Objects), OBA7 (Document Type Configuration), and SU53 (Authorization Check).
  SAP Help Documentation: Refer to the official SAP Help documentation for detailed information on document management and number range configuration.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the CH122 error and implement the appropriate solution.