How To Fix GP166 - There are not enough free numbers available in the number interval

SAP Error Message - Details

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 166

• Message text: There are not enough free numbers available in the number interval

What causes this issue?

Line item documents are written for the combination of ledger, version,
company code or global company and fiscal year which you have planned.
You have changed or created so many records that more than 999 records
have been posted, and therefore several document numbers must be used.
For this reason, there are not enough free document numbers available.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Extend the number interval using the number range maintenance
transactions.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP166 - There are not enough free numbers available in the number interval ?

  The SAP error message GP166, which states "There are not enough free numbers available in the number interval," typically occurs in the context of number ranges in SAP, particularly when dealing with document numbers, transaction numbers, or other sequentially assigned identifiers.
  
  Cause:
  
  Exhausted Number Range: The most common cause of this error is that the defined number range for a particular document type or transaction has been exhausted. This means that all the numbers in the specified range have been used up.
  
  Configuration Issues: There may be a misconfiguration in the number range settings, such as incorrect intervals or limits set for the number range.
  Number Range Locking: If the number range is locked for some reason (e.g., during a system upgrade or maintenance), it may not allow new numbers to be generated.
  Incorrect Number Range Assignment: The document type or transaction may not be correctly assigned to a valid number range.
  
  
  Solution:
  
  
  Check Number Range Status:
  
  Go