phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bb9aa96763b4e203200d2e068bffff1a' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('bb9aa96763b4e203200d2e068bffff1a', -1, 1762471496, 1762471496, 'd849d8ba', -12, 0, 0)

Line : 187
File : sessions.php