Please make sure
display_errors is turned on in php.ini
Updated to 1.2.8 and the problem is still there: a white blank with no possibility to go ahead.
These are some logs:
[07-Oct-2014 12:29:36 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:03:18 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:05:44 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:07:46 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:09:00 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:09:08 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:12:11 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:12:22 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:12:38 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:27:27 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 13:50:54 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 14:45:12 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 14:56:05 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:09:10 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:21:47 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:25:41 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:29:40 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:29:52 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:30:10 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:30:16 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:32:37 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:34:08 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:35:14 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:36:34 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:43:08 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
[07-Oct-2014 15:45:25 UTC] PHP Fatal error: Call to undefined method DBSEO::rewriteForumUrl() in /var/www/forore/dbtech/dbseo/includes/library/thread.php on line 152
Yes, all the same. Don't know whether they are significant or not