phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bcddeb7ecfbd2982eb88042a05189878' 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 ('bcddeb7ecfbd2982eb88042a05189878', -1, 1765486965, 1765486965, 'd849d83f', -4, 0, 0)

Line : 187
File : sessions.php