ERROR Loading chunk 4 failed

[abdelhalim]

I got this error when trying to preview or download extension I made

“Loading chunk 4 failed.
(error: https://ext.mblock.cc/js/babel.80e9ac.js)”

[tech_support]

Hi abdelhalim,
Please send me a screenshot of the error message and also send me your extension.
You can send it to support@makeblock.com
Thanks.