phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '615c7a0b0e70bf2580af5db939b56dbf' 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 ('615c7a0b0e70bf2580af5db939b56dbf', -1, 1754161180, 1754161180, 'd849d83e', -4, 0, 0)

Line : 215
File : sessions.php