Customizer: "we're sorry, an unexpected error has occurred" shown with eCommerce plans #18596
Description
Steps to reproduce the behavior
- Create new site with Leven theme.
- Upgrade to eCommerce plan.
- Click on Appearance > Customizer.
What I expected to happen
Customizer loads without error.
What actually happened
Splash with We're sorry, an unexpected error has occurre is shown.
The page reloads automatically and the Customizer is then loaded.
Context
User scenario manual testing.
Browser / OS version
OS: macOS Catalina 10.15.7
Browser: Firefox Nightly 86.0a1, Chrome 88.0.4324.96 (Official Build) (x86_64)
Is this specific to the applied theme? Which one?
Tested with Leven.
Does this happen on simple or atomic sites or both?
Atomic only.
Tested with Leven on Simple site, was not reproducible.
Is there any console output or error text?
Many errors are shown on console, mostly relating to chunk load failure (specific chunk number changes each time):
(error: https://wordpress.com/calypso/evergreen/async-load-calypso-blocks-inline-help.2727b2f7b1f3c9637042.min.js)
j https://wordpress.com/customize/outrageouslyclassicrecords.wpcomstaging.com?retry=1:38
e https://wordpress.com/customize/outrageouslyclassicrecords.wpcomstaging.com?retry=1:38
e https://wordpress.com/customize/outrageouslyclassicrecords.wpcomstaging.com?retry=1:38
$t https://wordpress.com/calypso/evergreen/entry-main.dea226c06cb35f9703a7.min.js:2
require https://wordpress.com/calypso/evergreen/39821.222cc620e84221f28ae9.min.js:1
componentDidMount https://wordpress.com/calypso/evergreen/39821.222cc620e84221f28ae9.min.js:1
aa https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
vl https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
unstable_runWithPriority https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
qo https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
yl https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
rl https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
Xa https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
Ul https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
Wl https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
sl https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
Wl https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
render https://wordpress.com/calypso/evergreen/90402.d45dc3f6367787a5b625.min.js:2
AppBoot https://wordpress.com/calypso/evergreen/entry-main.dea226c06cb35f9703a7.min.js:2
AppBoot https://wordpress.com/calypso/evergreen/entry-main.dea226c06cb35f9703a7.min.js:2
promise callback*./boot/app.js/window.AppBoot/</< https://wordpress.com/calypso/evergreen/entry-main.dea226c06cb35f9703a7.min.js:2
AppBoot https://wordpress.com/calypso/evergreen/entry-main.dea226c06cb35f9703a7.min.js:2
AppBoot https://wordpress.com/calypso/evergreen/entry-main.dea226c06cb35f9703a7.min.js:2
<anonymous> https://wordpress.com/customize/outrageouslyclassicrecords.wpcomstaging.com?retry=1:38
lastly:
GEThttps://outrageouslyclassicrecords.wpcomstaging.com/wp-admin/undefined
[HTTP/2 404 Not Found 266ms]
Level of impact (Does it block purchases? Does it affect more than just one site?)
Moderate - not a good experience for eCommerce plan users.