Typing the '{' character in the editor only shows "Open Macro Browser" option, upon opening the macro browser an error is shown There has been an error loading the macro browser. Please try again or see your system administrator.

Nothing is shown in the logs during the time, and nothing is sent over the network.

Once I click "Discard" the exceptions in the attached log are emitted with the following line:

2012-07-13 06:28:43,839 WARN [TP-Processor5] [confluence.pages.actions.AbstractCreateAndEditPageAction] getCancelResult Removing invalid draft: Draft = { id: 4653218, type: page, title: Indentation Tests, pageId: 4653217}, for user : EmbeddedCrowdUser{name='BRYAN', displayName='Brett Ryan', directoryId=22872065}