phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '25aeb985b660d7e7e045531d340d4fbe' 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 ('25aeb985b660d7e7e045531d340d4fbe', -1, 1777022665, 1777022665, 'd849d92c', -4, 0, 0)

Line : 187
File : sessions.php