phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c313b81a7259156b493e93c4d0b2f05a' 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 ('c313b81a7259156b493e93c4d0b2f05a', -1, 1766363617, 1766363617, 'd849d883', 35, 0, 0)

Line : 187
File : sessions.php