I clicked "Edit source", no toolbar loaded, and this error in browserconsole:
```Exception in module-execute in module ext.CodeMirror: load.php:176:15
TypeError: $(...).wikiEditor is not a function TypeError: $(...).wikiEditor is not a function
Stack trace:
[object Object] load.php:176:53
logError https://test.wikipedia.org/w/load.php:176:53
handler https://test.wikipedia.org/w/load.php:154:832
fire https://test.wikipedia.org/w/load.php:45:104
fireWith https://test.wikipedia.org/w/load.php:46:431
fire https://test.wikipedia.org/w/load.php:46:474
track https://test.wikipedia.org/w/load.php:154:614
runScript/< https://test.wikipedia.org/w/load.php:161:301
fire https://test.wikipedia.org/w/load.php:45:104
add https://test.wikipedia.org/w/load.php:45:656
always https://test.wikipedia.org/w/load.php:46:865
runScript https://test.wikipedia.org/w/load.php:160:944
checkCssHandles https://test.wikipedia.org/w/load.php:161:678
cssHandle/< https://test.wikipedia.org/w/load.php:161:808
fire https://test.wikipedia.org/w/load.php:45:104
fireWith https://test.wikipedia.org/w/load.php:46:431
fire https://test.wikipedia.org/w/load.php:46:474
fireCallbacks https://test.wikipedia.org/w/load.php:156:320
addEmbeddedCSS https://test.wikipedia.org/w/load.php:156:661
addEmbeddedCSS/cssBufferTimer< https://test.wikipedia.org/w/load.php:156:538
```
{F8664406}