How To Fix DMC_GENERAL168 - A table item with type &1 already exists

DMC_GENERAL168 - Overview

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 168

• Message text: A table item with type &1 already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL168 - A table item with type &1 already exists ?

  The SAP error message DMC_GENERAL168 indicates that there is an attempt to create or insert a table item of a specific type that already exists in the system. This error typically arises in the context of data management or data migration processes, particularly when using tools like SAP Data Management Cockpit (DMC) or SAP Data Services.
  
  Cause:
  The error occurs when:
  
  You are trying to add a new entry to a table that already contains an entry of the same type (indicated by &1 in the error message).
  There may be a duplicate entry in the source data that is being processed.
  The system is enforcing a uniqueness constraint on the table, which is being violated by the new entry.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the data you are trying to insert or update. Ensure that there are no duplicate entries for the type specified in the error message.
  If