phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fcf968ab3cdb7003a27b9c71e7ae9c31' 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 ('fcf968ab3cdb7003a27b9c71e7ae9c31', -1, 1729560683, 1729560683, '030f95b6', -4, 0, 0)

Line : 187
File : sessions.php