[Mono-dev] Unexpected binary element

[Edward Ned Harvey (mono)]

I have a project that has always built fine before, in mono 4.0.3 and 3.8.1, but suddenly now, when I try to do anything with 3.8.1, I get "Unexpected binary element."

In monodevelop, try building or cleaning, "Clean failed: Unexpected binary element" and "Build failed: Unexpected binary element."

When I search around, it seems people always equate this to mono version upgrades, or target runtimes being unsupported. So I changed all the target runtimes to Mono/.Net 4.5, and still have the same problem. Have not upgraded mono or anything.

What else could cause this?
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