phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '730daa754f3df095fcd643a5232ab3c3' 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 ('730daa754f3df095fcd643a5232ab3c3', -1, 1771055976, 1771055976, 'd849d88a', -4, 0, 0)

Line : 187
File : sessions.php