How To Fix NR131 - The "External" field must be initial since its flag is set to "off"

NR131 - Overview

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 131

• Message text: The "External" field must be initial since its flag is set to "off"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message NR131 - The "External" field must be initial since its flag is set to "off" ?

  The SAP error message NR131 indicates that there is an issue with the "External" field in a particular context, typically related to number range objects. This error occurs when the system expects the "External" field to be empty (initial) because the corresponding flag is set to "off." 
  
  Cause:
  
  Configuration Issue: The number range object has been configured to not allow external number assignment, but an attempt is being made to assign a value to the "External" field.
  Data Entry Error: A user may have inadvertently entered a value in the "External" field when it should not have been populated.
  Custom Development: If there are custom programs or enhancements that manipulate number ranges, they may not be adhering to the configuration settings.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Find the relevant number range object and check its configuration.
  Ensure that the "External" flag is set correctly based on your business requirements. If