Help with Supertrend Indicator error

I'm very new on MT4 coding, I've downloaded from FF a Supertrend Indicator, when compile it, I get this error message "init- no dll defined for the imported function". How can I solve this??

I haven't looked at the SuperTrend code and you may have a different one anyway. Did you enable DLLs in the indicator properties?

Need to know the name(s) of all the DLLs in the code in order to help. Presumably it is a custom DLL and you should be able to search for it on FF. A good place to start would be the thread that you downloaded the code from.

Thank you CodeMeister
I don't have a clue what is the dll I need or how I get it, but never mind, I'm testing MT4 and if it gets complicated I'll forget about it, I'm other platforms user and it's enough with them.
Good trades and green pips for you