upgrade 5.0 gondok

Basesoft képe

Drupal rendszeremet kiséreltem meg upgradelni 4.7-ről 5.0-ra.
Az upgrade után eltűntek a blokkok a kivetkező hibaüzenettel:

user warning: Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=' query: SELECT DISTINCT b.* FROM blocks b LEFT JOIN blocks_roles r ON b.module = r.module AND b.delta = r.delta WHERE b.theme = 'bluemarine' AND b.status = 1 AND (r.rid IN (2) OR r.rid IS NULL) ORDER BY b.region, b.weight, b.module in /home/flexhost/public_html/drupal5/includes/database.mysql.inc on line 167.

Van valami javaslatotok a hibamentes upgradeléshez?