phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '14defd01e8b2d7454b068845df203023' 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 ('14defd01e8b2d7454b068845df203023', -1, 1768012619, 1768012619, 'd849d887', -9, 0, 0)

Line : 187
File : sessions.php