How To Fix /CUM/MSG108 - Number not in external number range

/CUM/MSG108 - Overview

• Message type: E = Error

• Message class: /CUM/MSG -

• Message number: 108

• Message text: Number not in external number range

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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/CUM/MSG108 - Details

• The SAP error message /CUM/MSG108: Number not in external number range typically occurs when you are trying to use a number that is not defined in the external number range for a specific object or document type. This can happen in various contexts, such as when creating documents, invoices, or other entities that require a unique identifier.
  
  Cause:
  
  Number Range Configuration: The number you are trying to use is not included in the defined external number range for the relevant object. This can happen if the number range is not properly set up or if you are trying to use a number that falls outside the defined range.
  Incorrect Number Assignment: The system may be configured to use internal number assignment, but you are trying to assign an external number that is not valid.
  Number Range Status: The number range may be locked or not available for use, which can prevent the assignment of