phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '39440eb36957aadf470349ca1a0826a4' 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) VALUES ('39440eb36957aadf470349ca1a0826a4', -1, 1775720063, 1775720063, 'd849d8b3', -10, 0)

Line : 170
File : sessions.php