How To Fix /IWBEP/CM_CP223 - CP expression '&1' in range table not allowed

/IWBEP/CM_CP223 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 223

• Message text: CP expression '&1' in range table not allowed

Self-Explanatory Message

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/IWBEP/CM_CP223 - Details

• The SAP error message /IWBEP/CM_CP223 with the description "CP expression '&1' in range table not allowed" typically occurs in the context of SAP Gateway or OData services when there is an issue with the way a filter expression is defined in a query.
  
  Cause:
  This error is generally caused by the following reasons:
  
  
  Invalid Filter Expression: The filter expression used in the OData query is not valid or is not supported. This can happen if you are trying to use a complex expression that is not allowed in the context of the range table.
  
  
  Unsupported Operators: Certain operators or functions may not be supported in the context of the OData service or the underlying data model.
  
  
  Data Type Mismatch: The data type of the field being filtered may not match the expected type, leading to an invalid expression.
  
  
  Range Table Limitations: The range table used in the query may have limitations on the types of expressions