error phpmyadmin

error 404 when access php myadmin

version : 1.7.1 (newest)

main log file :
[12-10-40-Sun-Sep-2018] float division by zero [getDiskUsage]
[12-13-10-Sun-Sep-2018] float division by zero [getDiskUsage]
[12-16-35-Sun-Sep-2018] float division by zero [getDiskUsage]