How To Fix CMAP103 - ATMP [&1]: no source attribute entry allowed (no single-src mapping!)

CMAP103 - Overview

• Message type: E = Error

• Message class: CMAP - CSM Messages

• Message number: 103

• Message text: ATMP [&1]: no source attribute entry allowed (no single-src mapping!)

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 CMAP103 - ATMP [&1]: no source attribute entry allowed (no single-src mapping!) ?

  The SAP error message CMAP103 ATMP [&1]: no source attribute entry allowed (no single-src mapping!) typically occurs in the context of data mapping or transformation processes, particularly when working with SAP Master Data Governance (MDG) or SAP Data Services. This error indicates that there is an issue with the mapping configuration, specifically related to source attributes.
  
  Cause:
  
  
  Missing Source Mapping: The error suggests that there is no valid source attribute mapping defined for the target attribute you are trying to populate. This can happen if the source attribute is not correctly defined or if it is missing entirely in the mapping configuration.
  
  
  Multiple Source Attributes: The error may also arise if the system expects a single source attribute for a target attribute, but multiple source attributes are defined instead.
  
  
  Incorrect Configuration: There may be a misconfiguration in the data model or mapping settings that leads to the system not recognizing the source attributes correctly.
  
  
  
  Solution:
  
  
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