How To Fix DMU145 - Error during number assignment of an internal number

DMU145 - Overview

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 145

• Message text: Error during number assignment of an internal number

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU145 - Error during number assignment of an internal number ?

  The SAP error message DMU145, which indicates "Error during number assignment of an internal number," typically occurs when there is an issue with the number range assignment for internal numbers in the SAP system. This can happen in various contexts, such as during the creation of documents, master data, or other entities that require unique internal identifiers.
  Causes:
  
  Number Range Not Defined: The number range for the specific object may not be defined in the system.
  Number Range Exhaustion: The defined number range may have been exhausted, meaning all available numbers have been assigned.
  Authorization Issues: The user may not have the necessary authorizations to access or use the number range.
  
  Configuration Issues: There may be configuration issues in the number range settings or the number range object itself.
  System Lock: The number range object may be locked due to a transaction or process that is currently using it.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO