phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '869cc0f1056db014d774907f9a0d0090' 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 ('869cc0f1056db014d774907f9a0d0090', -1, 1755956553, 1755956553, 'd849d81f', -4, 0, 0)

Line : 187
File : sessions.php