phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '611849d7f75a75b83f71508b3c5dcad5' 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 ('611849d7f75a75b83f71508b3c5dcad5', -1, 1766151173, 1766151173, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php