How To Fix SY212 - Parameter & can only be passed by entering '='

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 212

• Message text: Parameter & can only be passed by entering '='

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY212 - Parameter & can only be passed by entering '=' ?

  The SAP error message SY212 typically indicates that a parameter in a function module or method is being passed incorrectly. The message states that a parameter can only be passed by entering '='. This usually occurs when you are trying to pass a parameter by value instead of by reference, or when the syntax used to pass the parameter is incorrect.
  Cause:
  
  Incorrect Parameter Passing: The parameter is defined in the function module or method as a reference parameter (using TYPE REF TO or similar), but it is being passed without the required = sign.
  Syntax Error: The syntax used to call the function or method is incorrect, leading to the inability to pass the parameter as expected.
  
  Solution:
  
  
  Check Parameter Definition: Review the definition of the function module or method to determine how the parameters are defined. If a parameter is defined as a reference parameter, ensure you are passing it correctly.
  
  
  Use the Correct Syntax: When calling the function or method, ensure you are using the correct syntax. For example, if you have a parameter named my_param, you should call it like this:
  CALL FUNCTION 'MY_FUNCTION'
    EXPORTING
      my_param = my_value.
  If my_param is a reference parameter, you should ensure that you are passing it correctly.
  
  
  Use the '=' Sign: If the parameter is defined as a reference parameter, make sure to use the = sign when passing the parameter. For example:
  DATA: my_ref TYPE REF TO my_class.
  CALL METHOD my_object->my_method(
    EXPORTING
      my_param = my_ref ).
  
  
  Related Information:
  
  Parameter Types: In ABAP, parameters can be passed by value (default) or by reference. Reference parameters are indicated in the function module or method signature.
  Documentation: Always refer to the SAP documentation for the specific function module or method you are using to understand the expected parameter types and how to pass them correctly.
  Debugging: If you encounter this error, use the debugger to inspect the parameters being passed and ensure they match the expected types.
  
  By following these guidelines, you should be able to resolve the SY212 error and correctly pass parameters in your SAP ABAP code.