mysql.wsrep_evs_repl_latency.average

[Galvy]

Good morning,
i have one issue with 3 Items:
mysql.wsrep_evs_repl_latency.average.[galera]
mysql.wsrep_evs_repl_latency.maximum.[galera]
mysql.wsrep_evs_repl_latency.minimum.[galera]
My system is Debian 10 ,MariaDB 10.4 with Galera Cluster (Active-Active-Active)
In log file of my agent no problem but form the log file of the server i see:

1950:20200605:112524.683 item "MY-HOST-SERVER:mysql.wsrep_evs_repl_latency.average.[galera]" became not supported: Preprocessing failed for: 0/0/0/0/0

1. Failed: cannot perform regular expression "(^\d+.\d+)/(\d+.\d+)/(\d+.\d+)" match for value of type "string": pattern does not match