Change Details

**Steps to reproduce** - Cleared my cookies so I'm not currently attached to any temporary account. - Enter "Test new page" in the search bar - Click the 'Test new page' redlink - Click the blue button ('Start editing') - I get this popup, and can't enter any text: {F37150571} Creating a page works correctly once I've made an edit elsewhere and am attached to a temporary account.

**Steps to reproduce** - Cleared my cookies so I'm not currently attached to any temporary account. - Enter "Test new page" in the search bar - Click the 'Test new page' redlink - Click the blue button ('Start editing') - I get this popup, and can't enter any text: {F37150571} This can be also reproduced by trying to edit an existing page via the visual editor, for example, by going to https://cs.wikipedia.beta.wmflabs.org/w/index.php?title=Tesla_(automobilka)&veaction=edit. If the first edit is wikitext one (both editing an existing page and creating a new one works), then visual editor starts working again.

**Steps to reproduce** - Cleared my cookies so I'm not currently attached to any temporary account. - Enter "Test new page" in the search bar - Click the 'Test new page' redlink - Click the blue button ('Start editing') - I get this popup, and can't enter any text: {F37150571} Creating a page works correctly once I've made an edit elsewhere and am attached to a temporary accountThis can be also reproduced by trying to edit an existing page via the visual editor, for example, by going to https://cs.wikipedia.beta.wmflabs.org/w/index.php?title=Tesla_(automobilka)&veaction=edit. If the first edit is wikitext one (both editing an existing page and creating a new one works), then visual editor starts working again.