Note: I can only reproduce this on `we.phorge.it` and not on my local instance.
**Steps to reproduce:**
1. Go to https://we.phorge.
it/project/reports/71/ when being logged in
2. Go to https://we.phorge.it/project/reports/71/ when not being logged in
**Expected outcome:**
* either a burndown chart is rendered
* or some message explains why it is not rendered
* or you do get redirected to a Login dialog, like on my local test instance which is set to `Can Use Application: All Users`
**Actual outcome:**
* Blank boxes.
* Opening https://we.phorge.it/fact/chart/somestringhere/draw/ directly, it shows some payload including `\"\u003eYou must log in to take this action.\u003c\/p\u003e\u003c\/div\u00`
* Selecting the {nav icon=area-chart, name=View Chart} button in the upper right corner **does** redirect you to a log-in page.
* Or if the `Can Use Application` policy at `/applications/view/PhabricatorFactApplication/` does not include the currently logged in user, show something else than blank boxes, e.g. in this case, {nav icon=area-chart, name=View Chart} says `You Shall Not Pass: Restricted Application`
Only on `we.phorge.it`:In Javascript error log:
```
TypeError: config.datasets is undefined
_redraw https://we.phorge.it/res/defaultX/phabricator/52e3ff03/rsrc/js/application/fact/Chart.js:18
setData https://we.phorge.it/res/defaultX/phabricator/52e3ff03/rsrc/js/application/fact/Chart.js:1
onresponse https://we.phorge.it/res/defaultX/phabricator/ad258e28/rsrc/js/application/maniphest/behavior-line-chart.js:5
listen https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:80
pass https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:164
_dispatchProxy https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:159
invoke https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:102
invoke https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:78
_done https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:248
when_complete https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:252
_complete https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:209
setTimeout handler*load https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:197
_handleResponse https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:252
_onreadystatechange https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:236
send https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:229
<anonymous> https://we.phorge.it/res/defaultX/phabricator/ad258e28/rsrc/js/application/maniphest/behavior-line-chart.js:6
initBehaviors https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:194
initialize https://we.phorge.it/res/defaultX/phabricator/66c49ca1/core.pkg.js:169
__rawEventQueue https://we.phorge.it/res/defaultX/phabricator/98e6504a/rsrc/externals/javelin/core/init.js:15
<anonymous> https://we.phorge.it/res/defaultX/phabricator/98e6504a/rsrc/externals/javelin/core/init.js:28
EventListener.handleEvent* https://we.phorge.it/res/defaultX/phabricator/98e6504a/rsrc/externals/javelin/core/init.js:28
<anonymous> https://we.phorge.it/res/defaultX/phabricator/98e6504a/rsrc/externals/javelin/core/init.js:29
```