"OutOfSync" - what is this?

[Alexey8 (Alexey Bykov)]

I welcome!

What does this notification, and under what conditions it is possible?

Cheers,
Thx

[Alexey8 (Alexey Bykov)]

Decides whether the call-type -

...
systemMessages.setOutOfSyncURL(null);
...

Problem described
here
?

[Alexey8 (Alexey Bykov)]

Whew! Yes, it does solve the problem!