Hello Vadym and thank you for reaching out to us with your enquiry.
The behaviour you described looks to be a bug, but an PM of ours will check and come back with additional indications.
Hi,
We have client using 8.5 2021-09-26 (build 85400383).
The fields "Max Web Users" and "Max Sessions" ar blank.
Server is closing itself almost every day.
Message in hansa....