How To Fix R$301 - Card master record &1 &2 already exists on the database

SAP Error Message - Details

• Message type: E = Error

• Message class: R$ -

• Message number: 301

• Message text: Card master record &1 &2 already exists on the database

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 R$301 - Card master record &1 &2 already exists on the database ?

  The SAP error message R$301 indicates that there is an attempt to create a card master record (often related to customer or vendor master data) that already exists in the database. This typically occurs when you try to create a new record with an identifier (like a card number or ID) that is already in use.
  
  Cause:
  
  
  Duplicate Entry: The most common cause is that the card master record you are trying to create already exists in the database. This could be due to:
  
  Manual entry of the same record.
  Data migration or import processes that inadvertently create duplicates.
  System integrations that may have created the record without proper checks.
  
  
  
  Incorrect Input: Sometimes, the input data might be incorrect or not formatted properly, leading the system to misinterpret it as a new record.
  
  
  Database Constraints: The database may have constraints that prevent the creation of duplicate records based on unique keys.
  
  
  
  Solution:
  
  
  Check Existing Records: Before creating a new