Class Hall Loader Problem

Hi, I just bought the bot n have no idea what this error is or how to fix it

Changing current profile to [N-Quest] Warrior Class Hall Loader [Echo]
1 compiler errors encountered in profile '[N-Quest] Warrior Class Hall Loader [Echo]'
'CustomBehavior' xml element on line number 333 has following errors with code: public System.Threading.Tasks.Task __ExpressionFunc__58()
{
return new System.Func<System.Threading.Tasks.Task>(async () =>{await DalaranHearth();})();
}

1) Type or namespace definition, or end-of-file expected at line 4