How To Fix IB_BDOC_UPLOAD064 - Key &2 (field &3) in table &1 exists twice

SAP Error Message - Details

• Message type: E = Error

• Message class: IB_BDOC_UPLOAD - IBase: Error Messages for BDoc Upload

• Message number: 064

• Message text: Key &2 (field &3) in table &1 exists twice

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 IB_BDOC_UPLOAD064 - Key &2 (field &3) in table &1 exists twice ?

  The SAP error message IB_BDOC_UPLOAD064 indicates that there is a duplicate entry in a specific table during the upload of business documents (BDOCs). The message typically states that a key (identified by &2) for a specific field (identified by &3) in the specified table (identified by &1) exists more than once. This can occur during data uploads or migrations when the system encounters duplicate records that violate the uniqueness constraints of the database table.
  Cause:
  
  Duplicate Data: The most common cause is that the data being uploaded contains duplicate entries for the specified key. This could be due to errors in the data extraction process, data preparation, or issues in the source system.
  Incorrect Mapping: If the mapping of fields during the upload process is incorrect, it may lead to duplicates being created.
  Data Integrity Issues: There may be existing data in the target table that conflicts with the incoming data, leading to duplicates.
  
  Solution:
  
  
  Identify Duplicates: 
  
  Check the data being uploaded to identify any duplicate entries for the specified key. You can use SQL queries or data analysis tools to find duplicates in the source data.
  Example SQL query to find duplicates:
  SELECT field_name, COUNT(*)
  FROM table_name
  GROUP BY field_name
  HAVING COUNT(*) > 1;
  
  
  
  
  Clean Data: 
  
  Remove or consolidate duplicate entries in the source data before attempting the upload again. Ensure that each key is unique.
  If duplicates are found in the target table, you may need to clean up the existing data as well.
  
  
  
  Review Mapping: 
  
  Ensure that the mapping of fields during the upload process is correct and that it aligns with the target table's structure.
  
  
  
  Check Constraints: 
  
  Review the database constraints on the target table to understand the uniqueness requirements. This can help in identifying why the duplicates are being flagged.
  
  
  
  Test Upload: 
  
  After cleaning the data and ensuring uniqueness, perform a test upload with a smaller dataset to verify that the issue has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may use transaction codes like SE11 (Data Dictionary) to check the structure of the table, or SE38 to run ABAP programs that may assist in data uploads.
  BDOCs: Business documents in SAP are used in various applications, including CRM and other modules. Understanding the structure and purpose of BDOCs can help in troubleshooting related issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  
  By following these steps, you should be able to resolve the error message IB_BDOC_UPLOAD064 and successfully upload your data without duplicates.