phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0f26ba069635d0ec7b08fb673c06829e' 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 ('0f26ba069635d0ec7b08fb673c06829e', -1, 1788740748, 1788740748, 'd849d8cc', 1, 0, 0)

Line : 187
File : sessions.php