How To Fix UPO_UDM_MSG021 - No internal number assignment defined for this interaction

SAP Error Message - Details

• Message type: E = Error

• Message class: UPO_UDM_MSG - UDM Messages

• Message number: 021

• Message text: No internal number assignment defined for this interaction

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 UPO_UDM_MSG021 - No internal number assignment defined for this interaction ?

  The SAP error message UPO_UDM_MSG021 ("No internal number assignment defined for this interaction") typically occurs in the context of SAP's Universal Process Orchestration (UPO) or related modules where internal number assignments are required for certain interactions or processes.
  Cause:
  This error usually arises when:
  
  Missing Configuration: The system is not configured to assign internal numbers for the specific interaction type you are trying to use. This could be due to missing settings in the configuration of the relevant module.
  Incorrect Interaction Type: The interaction type being used may not have been properly defined or may not exist in the system.
  Authorization Issues: There may be authorization issues preventing the system from accessing the necessary configuration for number assignment.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in SAP (usually in SPRO) and ensure that the internal number assignment is defined for the interaction type you are working with.
  Look for settings related to number ranges or internal number assignments in the specific module (e.g., Sales and Distribution, Customer Relationship Management, etc.).
  
  
  
  Define Number Ranges:
  
  If the number range is not defined, you will need to create a new number range for the interaction type. This can typically be done in the configuration settings under the relevant module.
  
  
  
  Review Interaction Types:
  
  Ensure that the interaction type you are using is correctly defined in the system. You may need to consult the documentation or configuration guides for the specific module to verify this.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the configuration settings and perform the required actions.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to the specific module you are working with for additional guidance on number assignment configurations.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in checking configurations, such as SPRO (Customizing), SE11 (Data Dictionary), or SE37 (Function Modules).
  SAP Notes: Search for SAP Notes related to UPO and number assignment issues, as they may provide specific fixes or patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the UPO_UDM_MSG021 error in your SAP system.