phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '86d80e475259a59265435b43ac072dac' 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 ('86d80e475259a59265435b43ac072dac', -1, 1765188852, 1765188852, 'd849d8bc', -4, 0, 0)

Line : 187
File : sessions.php