phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '920a89bb0ec5ee6c0d21dc5f51cc0a1a' 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 ('920a89bb0ec5ee6c0d21dc5f51cc0a1a', -1, 1766904120, 1766904120, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php