phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c92369a8856fcd7c8afed023f7f1be87' 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 ('c92369a8856fcd7c8afed023f7f1be87', -1, 1770193069, 1770193069, 'd849d8a2', -4, 0, 0)

Line : 187
File : sessions.php