phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7a315fdd8d6bd31a5c89bc981ec622cf' 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 ('7a315fdd8d6bd31a5c89bc981ec622cf', -1, 1765717622, 1765717622, 'd849d836', -4, 0, 0)

Line : 187
File : sessions.php