How To Fix E0123 - Last IDoc number could not be determined (number range)

E0123 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 123

• Message text: Last IDoc number could not be determined (number range)

What causes this issue?

An error occurred when the function module 'NUMBER_GET_INFO' was called
to determine the last IDoc number assigned.

How to fix this error?

Please check the interval '01' of the number range object 'EDIDOC'.

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ENDIF

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message E0123 - Last IDoc number could not be determined (number range) ?

  The SAP error message E0123, which states "Last IDoc number could not be determined (number range)," typically occurs when the system is unable to retrieve the last used IDoc number from the number range object associated with IDocs. This can happen for several reasons, including issues with the number range configuration or the number range being exhausted.
  Causes:
  
  Number Range 
  Configuration Issues: The number range for IDocs may not be properly configured or may not exist.
  Exhausted Number Range: The defined number range for IDocs may have been exhausted, meaning that all available IDoc numbers have been used.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the number range.
  System Configuration Errors: There may be inconsistencies or errors in the system configuration related to IDocs.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Look for the number range object related to IDocs, typically IDOC or IDOCNUM.
  Ensure that the