How To Fix OQ_E102 - Transaction record already exists in system

OQ_E102 - Overview

• Message type: E = Error

• Message class: OQ_E - IS-Oil SSR : Message pool Payment Card Processing

• Message number: 102

• Message text: Transaction record already exists in system

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message OQ_E102 - Transaction record already exists in system ?

  The SAP error message OQ_E102, which states "Transaction record already exists in system," typically occurs when you are trying to create a new transaction record (such as a sales order, purchase order, or any other transactional data) that duplicates an existing record in the system. This can happen for various reasons, including:
  Causes:
  
  Duplicate Entry: The most common cause is that the transaction you are trying to create already exists in the system with the same key fields (like document number, customer ID, etc.).
  Data Migration Issues: If data has been migrated from another system, there may be duplicate records that were not cleaned up.
  Concurrency Issues: If multiple users are trying to create the same record simultaneously, one of the transactions may be blocked due to the existing record.
  Custom Logic: Custom validations or enhancements in the SAP system may be enforcing unique constraints that are causing this error.
  
  Solutions:
  
  Check for Existing Records: Before creating