phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '65bb6e6d95f51950cb85ef4b42fb0087' 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 ('65bb6e6d95f51950cb85ef4b42fb0087', -1, 1766075940, 1766075940, 'd849d8d7', -4, 0, 0)

Line : 187
File : sessions.php