[CAS] arc sine of a complex number

[compsystems]

Messages that launches the hpprime are truly disappointing. =(

Is required an expert administrator user flags, a common user to read the argument is "Bad Argument Value", ask why.

I ask because the input argument is a bad value?
entry is a valid complex number.

or should I ask switch flag to answer complex, as it does in the HP50

asin("hello") => "Error: Bad Argument Value" OK but not
ASIN(4.0+i) => "Error: Bad Argument Value" :~(