Error at a very basic CODE EXPRESSION

Custom Code

HI.

I am trying to eliminate the currency symbol from a string. (see screenshot)

Even with providing the input variable explicitily an error message occurs.

"CURRENT VARIABLE IS NOT VALID"

May someone help me ?

What have you tried so far?

I tried with help of CHATGPT and nothing

Did you check FlutterFlow's Documentation for this topic?

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