phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '36981f220e2602768376f6e23254d572' 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 ('36981f220e2602768376f6e23254d572', -1, 1770259437, 1770259437, 'd849d83c', 7, 0, 0)

Line : 187
File : sessions.php