phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c5598f498e61f4fee8072a838b87163d' 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 ('c5598f498e61f4fee8072a838b87163d', -1, 1764140209, 1764140209, 'd849d89f', -4, 0, 0)

Line : 187
File : sessions.php