How To Fix BK066 - The internal number is in the critical area for this transaction

BK066 - Overview

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 066

• Message text: The internal number is in the critical area for this transaction

What causes this issue?

You can create only a few more cost accounting documents with internal
number assignment. The range of numbers assigned as internal document
numbers has been almost fully used up.

How to fix this error?

Reorganize the affected cost accounting databases and then maintain the
number ranges for this business transaction.

Error message extract from SAP system. Copyright SAP SE.

BK066 - Details

• The SAP error message BK066, which states "The internal number is in the critical area for this transaction," typically occurs in the context of financial transactions, particularly when dealing with document numbers or internal number ranges. This error indicates that the system has encountered an internal number that falls within a range that is reserved for critical operations or transactions, which can lead to potential data integrity issues.
  
  Cause:
  
  Number Range Conflict: The internal number being used for the transaction is within a range that is reserved for special purposes or critical transactions.
  
  Configuration Issues: The number range configuration for the relevant document type may not be set up correctly, leading to overlaps or conflicts.
  Transaction Type Restrictions: Certain transaction types may have restrictions on the number ranges they can use, and the number being generated or used does not comply with these restrictions.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range