C# FormatException : Format specifier was invalid in .Net6.0

eg:

var a=5;

var b=2;

code $"{a-b:C}"  in console app ,it's is output  "$2.00" correctly, but it throw a FormatException : "Format specifier was invalid" in  algo  file!

Hi yearn,

Please provide us with the complete cBot code so that we can check,

Best Regards,

Panagiotis 

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