How To Fix /IWFND/CM_DESIGNTIME118 - Root node '&1' not valid

/IWFND/CM_DESIGNTIME118 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 118

• Message text: Root node '&1' not valid

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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/IWFND/CM_DESIGNTIME118 - Details

• The SAP error message /IWFND/CM_DESIGNTIME118 with the description "Root node '&1' not valid" typically occurs in the context of SAP Gateway and OData services. This error indicates that the specified root node in the OData service is not recognized or is invalid. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Incorrect Root Node Name: The root node specified in the OData service might be misspelled or does not exist in the data model.
  Service Registration Issues: The OData service may not be properly registered or activated in the SAP Gateway.
  Model Definition Errors: There could be issues in the data model definition, such as missing or incorrectly defined entities.
  Authorization Issues: The user may not have the necessary authorizations to access the specified root node.
  Changes in the Data Model: If the underlying data model has changed (e.g., entities added or removed), the OData service may not reflect these changes.
  
  Solutions:
  
  Check Root Node