phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f15b71c104cb9dcdb519945911ac806e' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f15b71c104cb9dcdb519945911ac806e', -1, 1765128113, 1765128113, 'd849d86c', -7, 0, 0)

Line : 187
File : sessions.php