How To Fix /IWBEP/CM_MGW_RT120 - Data type not found '&1'

/IWBEP/CM_MGW_RT120 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 120

• Message text: Data type not found '&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.

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/IWBEP/CM_MGW_RT120 - Details

• The SAP error message /IWBEP/CM_MGW_RT120 Data type not found '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find a specified data type that is referenced in your OData service or model.
  
  Cause:
  
  Missing Data Type Definition: The data type that is being referenced in your OData service is not defined in the system.
  Incorrect Model Configuration: There may be an issue with the way the OData model is configured, leading to the system not being able to resolve the data type.
  Transport Issues: If the OData service or its associated data types were transported from one system to another, there may have been an issue during the transport process.
  Namespace Issues: The data type might be defined in a different namespace that is not being recognized in the current context.
  
  
  Solution:
  
  
  Check Data Type Definition: 
  
  Go to the Data Dictionary (transaction SE11) and check