phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '026e0a100b19919e66a6e3e02432fc13' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('026e0a100b19919e66a6e3e02432fc13', -1, 1770668392, 1770668392, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php