How To Fix SMT079 - Parameters of type data reference cannot be combined with fixed values

SMT079 - Overview

• Message type: E = Error

• Message class: SMT -

• Message number: 079

• Message text: Parameters of type data reference cannot be combined with fixed values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT079 - Parameters of type data reference cannot be combined with fixed values ?

  The SAP error message SMT079 indicates that there is an issue with the way data references are being used in your ABAP code. Specifically, this error occurs when you attempt to combine a data reference with fixed values in a way that is not allowed by the ABAP language rules.
  
  Cause:
  The error typically arises in the following scenarios:
  
  Data Reference Usage: You are trying to use a data reference (a pointer to a data object) in a context where a fixed value (like a literal or a constant) is expected.
  Incorrect Syntax: The syntax used to combine the data reference with fixed values is incorrect, leading to a type mismatch.
  
  Example:
  For instance, if you have a data reference and you try to concatenate it with a string literal directly, you might encounter this error.
  DATA: ref TYPE REF TO data,
        result TYPE string.
  
  CREATE DATA ref TYPE string.
  result = ref &&