How To Fix TT190 - Parameter &: Only variable & & is permitted

TT190 - Overview

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 190

• Message text: Parameter &: Only variable & & is permitted

What causes this issue?

The export parameters returned can only be assigned to 'V'
variables (&V01..&V20) or to export parameters (&E01..&E05).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Only use 'V' variables (&V01..&V20) or export parameters
(&E01..&E05) in the field 'Return in'. To assign these values to
other variables, use the 'SETVAR' function in the function screen.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TT190 - Parameter &: Only variable & & is permitted ?

  The SAP error message TT190, which states "Parameter &: Only variable & & is permitted," typically occurs in the context of ABAP programming or when dealing with parameterized queries or function calls. This error indicates that there is an issue with the way parameters are being defined or used in your code.
  
  Cause:
  
  Incorrect Parameter Definition: The error often arises when a parameter is not defined correctly or is being used in a way that is not allowed. For example, using a constant or a literal value where a variable is expected.
  Syntax Errors: There may be syntax errors in the code that lead to the misinterpretation of parameters.
  Dynamic SQL Issues: If you are using dynamic SQL, the parameters may not be correctly formatted or passed.
  
  
  Solution:
  
  
  Check Parameter Definitions: Ensure that all parameters are defined as variables and not as constants or literals. For example, if you are using a SELECT statement, make sure