phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd9bb5d8a263c3ead7d3f8695e65dd31b' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d9bb5d8a263c3ead7d3f8695e65dd31b', -1, 1766518793, 1766518793, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php