phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '31945719ed5eddfd0a85ef27b14a7deb' 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 ('31945719ed5eddfd0a85ef27b14a7deb', -1, 1757334701, 1757334701, 'd849d88e', 18, 0, 0)

Line : 187
File : sessions.php