This error is quite explicit: the ID of your character in your SQL database (table `char`) is less than 150000 (the initial ID for auto-increment). This could happen if you manually added a character and explicitly specified an ID lower than 150000. Since the column is on auto-increment you should not specify a char id when adding rows to the table. You can find the offending rows with a simple query: SELECT * FROM `char` WHERE `char_id` < 150000; Keep in mind that if you end up changi