phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a55ce60b977248697c5db881b35ba902' 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 ('a55ce60b977248697c5db881b35ba902', -1, 1765953331, 1765953331, 'd849d816', -4, 0, 0)

Line : 187
File : sessions.php