phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f12bd0ba0a414fbc22d02eef3c882c42' 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 ('f12bd0ba0a414fbc22d02eef3c882c42', -1, 1767403777, 1767403777, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php