Mandatory information about my setup:

Have I searched the tickets before posting? Yes
Have I searched the forum before posting? Yes
Have I read the documentation before posting (which pages?)? Yes
Joomla! version: 3.4.1
PHP version: 5.3.10-1ubuntu3.17
MySQL version: 5.5.41-0ubuntu0.12.04.1
Matukio version: 5.1.3
Direct link to the page that shows the issue: j3.imstrom.de

Description of my issue:

Blank page on event-details after import from Seminar and bookings not working. That's the short story.

The long story is:

Installed Matukio first, created a category ('Uncategorized'), imported the four old seminar tables into the joomla 3 database
started the import which gave an error 500 due to script runtime timeout (FcgidIOTimeout) in mod_fcgi was set too low
Temporarily increased FcgidIOTimeout from 40 to 600
Restarted import, suceeded this time. Deleted the old seminar/joomla 1.5-tables again
Found some events imported twice because of the previous double-run, so this import was unusable. Event details and bookings were working though.

uninstalled matukio
deleted all matukio-tables in phpMyAdmin, now matukio should be uninstalled completely, shouldn't it?
reinstalled Matukio again, created category 'Uncategorized', imported the old seminar tables into the joomla3-database again, started the import again (script runtime timeout set to 600), import completed successfully on first try this time.

Events show up in frontend as expected. But now if I click one event's details it results in a blank page (Apache2-Logfile says:

mod_fcgid: stderr: PHP Fatal error: Class 'MatukioController0' not found in [...]/components/com_matukio/matukio.php on line 81, referer: http://j3.imstrom.de/component/matukio/bookevent/151-seilkletterkurs-a-skt-a-in-hoexter.html?Itemid=120
)

And a click on 'Book event' results in a reload of the events.

How to fix this?

Thanks in advance!

Christian Bierwirth