How To Fix 1P837 - Changing of transaction type with DI oder BAPI_CHANGE is not allowed

1P837 - Overview

• Message type: E = Error

• Message class: 1P - BCA: Payment Transactions

• Message number: 837

• Message text: Changing of transaction type with DI oder BAPI_CHANGE is not allowed

What causes this issue?

You tried to change the transaction type from &V1& to &V2& of a standing
order via the channels DIRECT INPUT or a BAPI. This is not possible.

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?

Delete the current standing order and create a new one with the desired
transaction type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

1P837 - Details

• The SAP error message 1P837 indicates that there is an attempt to change the transaction type of a document using a Data Interface (DI) or BAPI (Business Application Programming Interface) method, which is not permitted in the system. This error typically arises in scenarios where the integrity of the transaction data is critical, and changing the transaction type could lead to inconsistencies or violations of business rules.
  
  Cause:
  
  Transaction Type Restrictions: Certain transaction types in SAP are designed to be immutable once created. Changing the transaction type could disrupt the flow of data and reporting.
  Business Logic: The underlying business logic in SAP may restrict changes to certain fields, including transaction types, to maintain data integrity.
  Incorrect Usage of BAPI/DI: The BAPI or DI method being used may not support changing the transaction type, leading to this error.
  
  
  Solution:
  
  Review Business Requirements: Ensure that changing the transaction type is necessary. If it is not, consider creating