phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '211954d31b44445fe9158e6107e18dee' 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 ('211954d31b44445fe9158e6107e18dee', -1, 1765691003, 1765691003, 'd849d836', -4, 0, 0)

Line : 187
File : sessions.php