phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '51b4885886bbaf8d403c619944857ddf' 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 ('51b4885886bbaf8d403c619944857ddf', -1, 1714168247, 1714168247, '12776b60', 0, 0, 0)

Line : 187
File : sessions.php