How To Fix RTC_COMM378 - Mapping for &1 not found in mapping table

SAP Error Message - Details

• Message type: E = Error

• Message class: RTC_COMM -

• Message number: 378

• Message text: Mapping for &1 not found in mapping table

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTC_COMM378 - Mapping for &1 not found in mapping table ?

  The SAP error message RTC_COMM378, which states "Mapping for &1 not found in mapping table," typically occurs in the context of SAP's Real-Time Communication (RTC) or when dealing with data mapping in various SAP modules. This error indicates that the system is unable to find a specific mapping entry for the given identifier (&1) in the mapping table.
  
  Cause:
  
  Missing Mapping Entry: The most common cause is that the mapping entry for the specified identifier does not exist in the mapping table. This could be due to incorrect configuration or missing data.
  Incorrect Identifier: The identifier provided may be incorrect or not formatted properly, leading to a failure in locating the corresponding mapping.
  
  Configuration Issues: There may be issues with the configuration of the mapping tables or the related settings in the SAP system.
  Data Migration Issues: If data has been migrated from another system, some mappings may not have been transferred correctly.
  
  
  Solution:
  
  Check Mapping Table: