phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9a81f883c3e0071e1a077250c33ccb0' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a9a81f883c3e0071e1a077250c33ccb0', -1, 1715891873, 1715891873, '1275098a', 0, 0, 0)

Line : 187
File : sessions.php