phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '856306481744215ae4f996f312c4c05e' 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 ('856306481744215ae4f996f312c4c05e', -1, 1715315142, 1715315142, '0310458f', 0, 0, 0)

Line : 187
File : sessions.php