phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1acc9b3e041fa18b5e5de82c00738b2b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1acc9b3e041fa18b5e5de82c00738b2b', -1, 1722059829, 1722059829, '12dfacc7', -12, 0, 0)

Line : 187
File : sessions.php