How To Fix /IWFND/CM_DESIGNTIME120 - Node type '&1' not supported for business objects; node: '&2'

/IWFND/CM_DESIGNTIME120 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 120

• Message text: Node type '&1' not supported for business objects; node: '&2'

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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/IWFND/CM_DESIGNTIME120 - Details

• The SAP error message /IWFND/CM_DESIGNTIME120 indicates that there is an issue with the node type being used in the context of a business object in the SAP Gateway framework. This error typically arises when the system encounters a node type that is not supported for the specific business object you are working with.
  
  Cause:
  
  Unsupported Node Type: The error suggests that the node type specified (represented by &1) is not compatible with the business object (represented by &2). This could happen if the node type is not defined correctly in the service or if it is not allowed for the specific business object.
  Model 
  Configuration Issues: There may be issues in the OData service model configuration, such as incorrect definitions or mappings.
  Version Mismatch: If there are discrepancies between the versions of the service or the underlying data model, it could lead to this error.
  Custom Implementations: If there are custom implementations or extensions that