phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '778f2884d858da6d94859bcff340de9c' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('778f2884d858da6d94859bcff340de9c', -1, 1715792643, 1715792643, '0d3b33a9', 9, 0, 0)

Line : 187
File : sessions.php