How To Fix J2647 - &4 Only one transaction direction can be assigned to transaction type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: J2 - Message Class for Development Class JBT

• Message number: 647

• Message text: &4 Only one transaction direction can be assigned to transaction type &1

What causes this issue?

In Customizing it was specified that only one transaction direction can
be assigned to transaction type &V1&.
A transaction direction is already assigned. Additional assignment is
not possible.

System Response

The system cannot process the entry.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J2647 - &4 Only one transaction direction can be assigned to transaction type &1 ?

  The SAP error message J2647 indicates that there is a conflict in the configuration of transaction types in the system. Specifically, it states that only one transaction direction can be assigned to the specified transaction type. This typically occurs in the context of financial transactions, such as those related to document types in the SAP system.
  
  Cause:
  The error arises when a transaction type is configured to allow both debit and credit transactions, which is not permitted. In SAP, each transaction type must have a defined direction (either debit or credit), and attempting to assign both directions to a single transaction type will trigger this error.
  
  Solution:
  To resolve this error, you need to check the configuration of the transaction type in question and ensure that it is set up correctly. Here are the steps to do this:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the configuration for transaction types. This can