The error says ” Wrong parameter count “
so you passing the wrong number of parameters.
http://php.net/manual/en/mysqli-stmt.bind-param.php
show you need at least 2
try this
if(!($stmt->bind_param('s',$_POST['addArtistTextField'])))
Your instructs ssii means option 1 and 2 are strings 3 and 4 are ints
2
solved Warning: Wrong parameter count for mysqli_stmt::bind_param() [closed]