Fillip I didn't touch the htaccess and I also have disabled the friendly urls in vb but nothing change.
But I see that all the threads with special sign in titles like "%" aren't redirected.
So I had to disable all the plugin functions because were arriving me tons of database errors.
For example I'm receiving many of this errors about tags:
Database error in vBulletin 2.0.31:
Invalid SQL:
SELECT tagtext AS id FROM vb4_tag WHERE tagtext REGEXP "^(&[\#\da-z]*;|[^a-z\d])*(&[\#\da-z]*;|[^a-z\d])*[eÈÉÊËèéêë]xpr[oÒÓÔÕÖØòóôõöø]m[iÌÍÎÏìíîï][zŽž][eÈÉÊËèéêë]r1(&[\#\da-z]*;|[^a-z\d])*3(&[\#\da-z]*;|[^a-z\d])*(&[\#\da-z]*;|[^a-z\d])*$" ORDER BY LENGTH(tagtext) LIMIT 1;
MySQL Error : Got error 'invalid UTF-8 string at offset 45' from regexp
Error Number : 1139
Request Date : Tuesday, May 3rd 2016 @ 04:16:21 PM
Error Date : Tuesday, May 3rd 2016 @ 04:16:21 PM
Script :
vBulletin Database Error
Referrer :
IP Address : 66.249.64.210
Username : N/A
Classname : DBSEO_Database_MySQLi
MySQL Version :
Database error in vBulletin 2.0.31:
Invalid SQL:
SELECT tagtext AS id FROM vb4_tag WHERE tagtext REGEXP "^(&[\#\da-z]*;|[^a-z\d])*(&[\#\da-z]*;|[^a-z\d])*[cÇc]h[iÌÍÎÏìíîï][eÈÉÊËèéêë]d[eÈÉÊËèéêë]r%C3%B2(&[\#\da-z]*;|[^a-z\d])*(&[\#\da-z]*;|[^a-z\d])*$" ORDER BY LENGTH(tagtext) LIMIT 1;
MySQL Error : Got error 'invalid UTF-8 string at offset 45' from regexp
Error Number : 1139
Request Date : Tuesday, May 3rd 2016 @ 04:14:32 PM
Error Date : Tuesday, May 3rd 2016 @ 04:14:32 PM
Script :
vBulletin Database Error
Referrer :
IP Address : 66.249.64.210
Username : N/A
Classname : DBSEO_Database_MySQLi
MySQL Version :
Database error in vBulletin 2.0.32:
Invalid SQL:
SELECT tagtext AS id FROM vb4_tag WHERE tagtext REGEXP "^(&[\#\da-z]*;|[^a-z\d])*(&[\#\da-z]*;|[^a-z\d])*p[eÈÉÊËèéêë]r[cÇc]h%C3%A8(&[\#\da-z]*;|[^a-z\d])*(&[\#\da-z]*;|[^a-z\d])*$" ORDER BY LENGTH(tagtext) LIMIT 1;
MySQL Error : Got error 'invalid UTF-8 string at offset 46' from regexp
Error Number : 1139
Request Date : Tuesday, May 3rd 2016 @ 05:54:30 PM
Error Date : Tuesday, May 3rd 2016 @ 05:54:30 PM
Script :
vBulletin Database Error
Referrer :
IP Address : 40.77.167.10
Username : N/A
Classname : DBSEO_Database_MySQLi
MySQL Version :
In the last messagge the link should be this:
Risultati Ricerca - Sigaretta Elettronica Forum
and not this:
vBulletin Database Error
So it seems that also the utf-8 isn't working good.