phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bc13df8e5f9a9015779dc12477f04f54' 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 ('bc13df8e5f9a9015779dc12477f04f54', -1, 1788662998, 1788662998, 'c0a81013', -9, 0, 0)

Line : 187
File : sessions.php