Widgets Failed to Load

[JamesJoey]

I have 3 widgets on my Launcher Pro Plus screens. I shut off my G2x and restarted it and all 3 failed to load. I fact in their places were "Widget failed to load". I had to remove then and re-add them to the screen for them to load properly.
What could have caused this? My signal strength was good, there was network access.
Any ideas?

James