PNP problem

Hello

CAN you help about this problem with icinga2 & PNP module please

  • Icinga Web 2 version : 2.10.1

  • Used modules and their versions (System - About) : PNP 0.6.26

  • PHP version used (php --version) : 7.2.24-0ubuntu0.18.04.15

  • Server operating system and version ubuntu0.18.04