How To Fix JB071 - External number assignment. Enter the account number

JB071 - Overview

• Message type: E = Error

• Message class: JB - General Message Class for IS-B (Development Class JBD)

• Message number: 071

• Message text: External number assignment. Enter the account number

What causes this issue?

You did not enter an account number in external number assignment.
number assignment.

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?

The type of number assignment is set in this case in the number range
for accounts (Customizing).
If you have set this to external number assignment, you will have to
enter the account numbers yourself.
For internal number assignment, you enter the external account number.
When the account is created, a unique internal number will be assigned.

Error message extract from SAP system. Copyright SAP SE.

JB071 - Details

• The SAP error message JB071, which states "External number assignment. Enter the account number," typically occurs when you are trying to create or modify a financial document (like a journal entry) and the system requires an external account number that has not been provided.
  
  Cause:
  
  Missing Account Number: The most common cause of this error is that the account number field is left blank or not filled in correctly.
  Incorrect Configuration: The system may be configured to require an external number assignment for certain types of accounts or transactions, and the necessary account number is not being provided.
  Account Type: The account type you are trying to use may require an external number assignment, and you are not using the correct format or number.
  Authorization Issues: Sometimes, the user may not have the necessary permissions to access or create the account number.
  
  
  Solution:
  
  Enter the Account Number: Ensure that you enter a valid external account number in