Find my phone lock message

[WPCentral Question]

Hi,

do you know it's possible to change lock message which has been set up trought find my phone online.

When I try to lock it again with a changed message, it says: "
We're sorry, but we weren't able to lock your phone. But please try again later. We might have a better connection in a little while.".

Please help if it's possible.

Thanks