When trying to import a workflow, exported from another site collection, I get this error.
The file provided to import is invalid or corrupted.
Correlation ID: b86f7615-6438-4ec1-806b-99643ea20649
Time (UTC): 2015-10-20 23:50:08
I have 4 different workflows and every one of them gives me an error. Trying again does not help.