When I'm looking at an MXML file and I click on the
Design tab, I get the error:
"An unknown item is declared as the root of your MXML
document. Switch to source mode to correct it."
CLUE: When I go into the Source tab and type
the only components in the Completion-list are the Charting
components. The plug-in isn't finding any of the normal Flex
There might be a license-upgrade bug at the root of this. A
few days ago, I started having this problem, so I bought a Flex
Builder (+ Charting) license. I then entered the serial numbers --
expecting the problem to disappear. It hasn't.