phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1966d0996adf7dbf4724d1a195ad54a' for key 'PRIMARY'

INSERT INTO motocit1_gp3.gp3_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a1966d0996adf7dbf4724d1a195ad54a', -1, 1769474102, 1769474102, 'd849d887', 8, 0, 0)

Line : 187
File : sessions.php