I'm getting this runtime error in my app: The operation select list item cannot accept the arguments

[TIMAI2]

Common Runtime Errors

Empty Textbox (when used for calculations) [image] [image] Ensure that your text box is initialised with a number or zero before attempting any calculations Empty Socket in block [image] [image] Variable not initialised as a List [image] [image] Not checking the length of a list! [image] [image] Wrong argument type (clock) [image] [image] more to follow.....