use the clean database, it got the fixed refskill table or at least use the refskill table from the clean database to your database .
PHP Code:
UPDATE _RefSkill Set Basic_ChainCode = 0 WHERE ID between 7433 and 7434;
UPDATE _RefSkill SET Service=1 WHERE ID BETWEEN 3431 AND 3436;
UPDATE _RefSkill SET Basic_ChainCode=9046 WHERE ID=9035
UPDATE _RefSkill SET Basic_ChainCode=9047 WHERE ID=9036
UPDATE _RefSkill SET Basic_ChainCode=9048 WHERE ID=9037
UPDATE _RefSkill SET Basic_ChainCode=9049 WHERE ID=9038
UPDATE _RefSkill SET Basic_ChainCode=9050 WHERE ID=9039
UPDATE _RefSkill SET Basic_ChainCode=9051 WHERE ID=9040
UPDATE _RefSkill SET Basic_ChainCode=9052 WHERE ID=9041
UPDATE _RefSkill SET Basic_ChainCode=9053 WHERE ID=9042
Try to use Wiz skill one