Shortcode Options Not Working

Helo John, I made ​​a small change,
you should remove the plugin and install it again.
wait for your confirmation to know if you work, after …

I test this shortcode and not have problem

[sz-calendar width=”330″ calendar=”[email protected]” showcalendars=”yes” showprint=”no”/]

in the file sz-google/classes/action/SZGoogleActionCalendar.php
in row 91 you have 1 o 2 ?

1) $calendar = trim($calendar);
2) $calendars = trim($calendars);