phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e4b9195bb5a70bcb6684c358498513a3' 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 ('e4b9195bb5a70bcb6684c358498513a3', -1, 1770626509, 1770626509, 'd849d821', 7, 0, 0)

Line : 187
File : sessions.php