How To Fix MDG_SF101 - Double key error for key &1

MDG_SF101 - Overview

• Message type: E = Error

• Message class: MDG_SF - MDG: Sample Model SFlight

• Message number: 101

• Message text: Double key error for key &1

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 MDG_SF101 - Double key error for key &1 ?

  The SAP error message MDG_SF101, which indicates a "Double key error for key &1," typically occurs in the context of SAP Master Data Governance (MDG) when there is an attempt to create or update a master data record that violates the uniqueness constraint of a key field. This means that the key value you are trying to use already exists in the system, leading to a conflict.
  
  Cause:
  
  Duplicate Key Value: The most common cause of this error is that the key value (e.g., a unique identifier like a material number, vendor number, or customer number) you are trying to create or update already exists in the database.
  Data Replication Issues: If data is being replicated from another system, there may be a timing issue where the same key is being processed simultaneously.
  Incorrect Data Entry: Users may inadvertently enter a key that is already in use due to a lack of validation or