Monitoring cron script failure

I have a variation looking like this (UCS 5.0-2 errata352):

Traceback (most recent call last):
File “/usr/share/univention-monitoring-client/scripts//check_univention_ntp”, line 46, in
NTP.main()
File “/usr/lib/python3/dist-packages/univention/monitoring/init.py”, line 74, in main
self.write_metrics()
File “/usr/share/univention-monitoring-client/scripts//check_univention_ntp”, line 40, in write_metrics
ntp_offset = float(output.split(‘|’, 1)[-1].split(‘;’)[0].split(‘=’)[-1].rstrip(‘s’))
ValueError: could not convert string to float:
run-parts: /usr/share/univention-monitoring-client/scripts//check_univention_ntp exited with return code 1