Missing secutity level preasigned through Hidden fields with preset values on a request type

[Barcelo [Administrator]]

I assign a preset value - security level to a some kind of request type's but some time after the request type lose the security level hidden field

[Nic Brough -Adaptavist-]

One of your users, or an automation are removing the data from the field.  Check the history to see what is doing it.