Nagios Support Forum

Problem fixed. It was the nagios account that the cron uses in the nagiosfusion server expired on December 8.

root@smf-tools-nagiosfusion-001:~# chage -l nagios
Last password change : Sep 09, 2019
Password expires : Dec 08, 2019
Password inactive : Jan 07, 2020
Account expires : never
Minimum number of days between password change : 7
Maximum number of days between password change : 90
Number of days of warning before password expires : 7

root@smf-tools-nagiosfusion-001:~# chage -I -1 -m 99999 -E -1 -M -1 nagios

root@smf-tools-nagiosfusion-001:~# chage -l nagios
Last password change : Sep 09, 2019
Password expires : never
Password inactive : never
Account expires : never
Minimum number of days between password change : 99999
Maximum number of days between password change : -1
Number of days of warning before password expires : 7

It works now. Thanks all for your help.

Your welcome. Glad it is working now.
I'll lock the post as solved but feel free to open a new post in the future for any other issues.