How To Fix NR550 - External indicator cannot be changed for types 3, 6, and 8 & &

NR550 - Overview

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 550

• Message text: External indicator cannot be changed for types 3, 6, and 8 & &

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NR550 - External indicator cannot be changed for types 3, 6, and 8 & & ?

  The SAP error message NR550 indicates that there is an attempt to change the external indicator for number ranges of types 3, 6, and 8, which is not allowed. Here’s a breakdown of the cause, solution, and related information for this error:
  
  Cause:
  
  
  Number Range Types: In SAP, number ranges are categorized into different types:
  
  Type 3: Internal number ranges (used for internal document numbers).
  Type 6: External number ranges (used for external document numbers).
  Type 8: Number ranges for specific applications (like customer/vendor numbers).
  
  The error occurs when there is an attempt to change the external indicator for these specific types, which is restricted by the system.
  
  
  Configuration Issue: The error may arise from incorrect configuration settings in the number range object or an attempt to modify a number range that is already in use.
  
  
  
  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 you