phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ec6c9ca02edb6ac5947c3a01cbcb581d' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ec6c9ca02edb6ac5947c3a01cbcb581d', -1, 1768367090, 1768367090, 'd849d861', 1, 0, 0)

Line : 187
File : sessions.php