How To Fix T1159 - Internal number assignment necessary for underlying transaction number


T1159 - Overview

  • Message type: E = Error

  • Message class: T1 - Financial instruments

  • Message number: 159

  • Message text: Internal number assignment necessary for underlying transaction number

  • Show details Hide details
  • What causes this issue?

    During customizing, the underlying was allocated a number range
    which specifies external number assignment.

    How to fix this error?

    Contact your customizing administrator.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message T1159 - Internal number assignment necessary for underlying transaction number ?
    The SAP error message T1159, which states "Internal number assignment necessary for underlying transaction number," typically occurs when there is an issue with the number assignment for a transaction in the SAP system. This error can arise in various contexts, such as when creating documents, posting transactions, or during other processes that require unique identifiers.
    
    Cause: Missing Number Ranges: The most common cause of this error is that the number range for the specific transaction type has not been defined or is not properly configured. Number Range Intervals: The number range intervals may be exhausted, meaning that all available numbers have been used up.
    Configuration Issues: There may be issues in the configuration settings related to number assignment for the specific transaction. Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or create the required number range.
    Solution: Check Number Range Configuration: Go to the transaction code SNRO (Number Range Objects). Find the relevant number

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