Screenshot
Steps to reproduce:
1.Open any page with VE in Firefox or Chrome
2.Make an Edit
3.Click on "Switch to source editing"
Observed Result:
It does not open the wikitext editor for the page, rather a message appears at the op of the page:
Some parts of the edit form did not reach the server; double-check that your edits are intact and try again.
Version: unspecified
Severity: major
Attached: