phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '26a9fbc771315815efc78641b4825dbc' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('26a9fbc771315815efc78641b4825dbc', -1, 1768082146, 1768082146, 'd849d83b', 2, 0)

Line : 180
File : /www/includes/sessions.php