Sau khi em install addon Editor BBCode Manager thì xuất hiện lỗi sau:
XF\Db\DuplicateKeyException: MySQL query error [1062]: Duplicate entry 'arial' for key 'PRIMARY' in src/XF/Db/AbstractStatement.php at line 217
XF\Db\AbstractStatement->getException()in src/XF/Db/Mysqli/Statement.php at...