How To Fix RTC_COMM109 - Input value already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RTC_COMM -

• Message number: 109

• Message text: Input value 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 RTC_COMM109 - Input value already exists ?

  The SAP error message RTC_COMM109, which states "Input value already exists," typically occurs in the context of data entry or data processing within SAP systems, particularly in modules related to Real-Time Communication (RTC) or similar functionalities. This error indicates that the system has detected a duplicate entry for a value that is expected to be unique.
  Causes:
  
  Duplicate Entries: The most common cause is that the user is trying to enter a value (such as a key, identifier, or code) that already exists in the database or in the context of the transaction being processed.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not properly handled during the migration process.
  Configuration Errors: Incorrect configuration settings in the system may lead to unexpected behavior, including the acceptance of duplicate values.
  User Error: Users may inadvertently attempt to create or input the same record multiple times.
  
  Solutions:
  
  Check for Duplicates: