How To Fix R2307 - Number &1 is not in number range &2 (object &3)

R2307 - Overview

• Message type: E = Error

• Message class: R2 - Business Partner Contact

• Message number: 307

• Message text: Number &1 is not in number range &2 (object &3)

What causes this issue?

External number assignment must be in an area designed for this (number
range interval).

System Response

The object cannot be created.

How to fix this error?

Enter a valid number.

Error message extract from SAP system. Copyright SAP SE.

R2307 - Details

• The SAP error message R2307 indicates that a specific number (denoted as &1) is not found within the defined number range (denoted as &2) for a particular object (denoted as &3). This error typically occurs when you are trying to create or process an object (like a document, invoice, or any other entity) that requires a unique identifier, and the system cannot find a valid number for that object within the specified range.
  
  Cause:
  
  Number Range Not Defined: The number range for the specified object type may not be defined in the system.
  Number Range Not Assigned: The number range may be defined but not assigned to the relevant object type.
  Number Range Exhausted: The number range may be exhausted, meaning all available numbers have been used up.
  Incorrect Configuration: There may be a configuration issue where the number range is not correctly set up for the specific object type.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the