Calender Plugin problem

[jamil_isayyed]

Hello all,

recently i have installed and configured the calender plugin, after i have added it to the main.inc.php to the plugins config.
i am getting empty page in the browser when i am trying to enter the webmail.

i have checked the log files and i found this error:

[23-Apr-2013 10:47:28] PHP Fatal error:  Class 'rcube' not found in .../roundcube/plugins/libcalendaring/libcalendaring.php on line 75
[23-Apr-2013 10:47:58] PHP Fatal error:  Class 'rcube' not found in .../roundcube/plugins/libcalendaring/libcalendaring.php on line 75
[23-Apr-2013 10:48:28] PHP Fatal error:  Class 'rcube' not found in.../roundcube/plugins/libcalendaring/libcalendaring.php on line 75
[23-Apr-2013 10:48:58] PHP Fatal error:  Class 'rcube' not found in .../roundcube/plugins/libcalendaring/libcalendaring.php on line 75
[23-Apr-2013 10:49:29] PHP Fatal error:  Class 'rcube' not found in .../roundcube/plugins/libcalendaring/libcalendaring.php on line 75

so how i can fix this problem?

Thanks in advance.

[alec]

Upgrade to 0.9