All of these are compiler thrown exceptions (errors). Some say, identifier was expected (example context is when you miss the identifier while creating an object), some say Class doesn't end with exact matching End Class;
check for any typo. Again that Module thing... Do you know the
VB language and structure[
^] (link of VB.NET on MSDN)? Or probably you're using old version of language which doesn't match which current settings for compiler.