phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8f66e35e7dc5c90fc3d0c402ec18bdec' 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 ('8f66e35e7dc5c90fc3d0c402ec18bdec', -1, 1764837182, 1764837182, 'd849d8de', -4, 0, 0)

Line : 187
File : sessions.php