phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c36b17e8baba5d73940681ca42342af3' 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 ('c36b17e8baba5d73940681ca42342af3', -1, 1516628728, 1516628728, '1716f077', 23, 0, 0)

Line : 226
File : sessions.php