phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd5dfeb9a98b8d4e3abf53d459897c1bf' 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 ('d5dfeb9a98b8d4e3abf53d459897c1bf', -1, 1769112605, 1769112605, 'd849d89c', -2, 0, 0)

Line : 187
File : sessions.php