How To Fix T0303 - Number range & reserved for external assignment

T0303 - Overview

• Message type: E = Error

• Message class: T0 - General Treasury

• Message number: 303

• Message text: Number range & reserved for external assignment

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 T0303 - Number range & reserved for external assignment ?

  The SAP error message T0303, which states "Number range & reserved for external assignment," typically occurs when you are trying to use a number range that has been configured for external assignment but is being used in a context that requires internal assignment. This can happen in various modules, such as when creating documents, orders, or other entities that rely on number ranges.
  
  Cause:
  
  Number Range Configuration: The number range you are trying to use is set up for external assignment, meaning that users are expected to manually enter the numbers rather than having them automatically assigned by the system.
  Incorrect Number Range Assignment: The system may be trying to assign a number from a range that is not appropriate for the operation you are performing.
  User Authorization: The user may not have the necessary permissions to use the specified number range.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Find the relevant