I assigned category 'password' to object. I want that only one group can see password. Other group can see all other info about object, but no password. It is possible?

Hello,

i can't opeb Browser. For example when i click AddObject in IT-Service i can see Browser with inscription "Parameter error". Firefox consol show error "idoitJSON is not defined" http://localhost/Idoit/src/tools/js/prototype/prototyple.js row 498

How can I solve this?