phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e44b2d3d8d76fd69e643a2f894600909' 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 ('e44b2d3d8d76fd69e643a2f894600909', -1, 1770792789, 1770792789, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php