How To Fix SY339 - CALL parameter & is not a field symbol or parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 339

• Message text: CALL parameter & is not a field symbol or parameter

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SY339 - CALL parameter & is not a field symbol or parameter ?

  The SAP error message SY339 indicates that there is an issue with a CALL statement in ABAP where the specified parameter is not recognized as a field symbol or a parameter. This typically occurs when you are trying to pass a variable to a procedure (like a function module or method) that is not defined correctly or does not match the expected type.
  Cause
  The error can be caused by several factors:
  
  Incorrect Variable Type: The variable you are trying to pass is not defined as a field symbol or parameter.
  Typographical Errors: There may be a typo in the variable name or in the CALL statement.
  Scope Issues: The variable may not be in scope at the point where you are trying to use it.
  Incorrect CALL Syntax: The syntax used in the CALL statement may not be correct.
  
  Solution
  To resolve the SY339 error, you can follow these steps:
  
  
  Check Variable Definition: Ensure that the variable you are passing is defined correctly as a field symbol or parameter. For example, if you are using a field symbol, it should be declared using FIELD-SYMBOLS statement.
  FIELD-SYMBOLS: <fs_variable>.
  
  
  Verify CALL Statement: Review the CALL statement to ensure that you are using the correct syntax. For example, if you are calling a function module, it should look like this:
  CALL FUNCTION 'FUNCTION_NAME'
    EXPORTING
      param1 = <fs_variable>.
  
  
  Check for Typos: Look for any typographical errors in the variable name or in the CALL statement.
  
  
  Scope Check: Ensure that the variable is declared in the correct scope and is accessible at the point of the CALL statement.
  
  
  Debugging: If the issue persists, use the ABAP debugger to step through the code and inspect the variables and their types at runtime.
  
  
  Related Information
  
  Field Symbols: Field symbols are placeholders for data objects. They are declared using the FIELD-SYMBOLS statement and can point to any data object at runtime.
  CALL Function Syntax: When calling a function module, ensure that the parameters you are passing match the expected types defined in the function module interface.
  ABAP Documentation: Refer to the official SAP documentation for more details on the syntax and usage of field symbols and function calls.
  
  By following these steps, you should be able to identify and fix the cause of the SY339 error in your ABAP code.