phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b09fa6ba1b6d7bb9b8be76ad13836889' 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 ('b09fa6ba1b6d7bb9b8be76ad13836889', -1, 1776933050, 1776933050, 'd849d995', -4, 0, 0)

Line : 187
File : sessions.php