How To Fix /IWBEP/CM_V4_ANNO049 - Constant expression operator &1 is invalid

/IWBEP/CM_V4_ANNO049 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_ANNO -

• Message number: 049

• Message text: Constant expression operator &1 is invalid

Self-Explanatory Message

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/IWBEP/CM_V4_ANNO049 - Details

• The SAP error message /IWBEP/CM_V4_ANNO049 Constant expression operator &1 is invalid typically occurs in the context of SAP Gateway or OData services when there is an issue with the expression used in an OData query. This error indicates that the operator specified in the query is not recognized or is not valid for the context in which it is being used.
  Causes:
  
  Invalid Operator: The operator used in the query might not be supported by the OData service. For example, using an operator that is not part of the OData standard or is not implemented in the service.
  Syntax Errors: There may be syntax errors in the OData query that lead to the interpretation of an invalid operator.
  Unsupported Features: The OData version being used may not support certain operators or expressions that are being attempted in the query.
  Service Implementation Issues: The OData service may not be correctly implemented to handle the requested operations.
  
  Solutions:
  
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