phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f0c10e4d43002021a27787f1d2a9911a' 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 ('f0c10e4d43002021a27787f1d2a9911a', -1, 1759476815, 1759476815, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php