phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8d2a2d7c08c884363ee31eefef1edaa' 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 ('c8d2a2d7c08c884363ee31eefef1edaa', -1, 1766032910, 1766032910, 'd849d819', 2, 0, 0)

Line : 187
File : sessions.php