Hi, Currently using v1.3.0.beta3 +13. We’ve attempted some javascript header/footer customizations via: Customize → CSS/HTML → head and body but we’ve ended up ‘breaking’ discourse due to our JS containing errors. This in turn means we can’t edit, delete or enable any other saved customizations. …

Hi, I am having a similar issues and none of these solutions work. Does anybody have an updated answer for this problem?

Enter safe mode Using Safe Mode to troubleshoot issues with themes and plugins

Bad JS customizations - how to fix in the backend?

benword (Ben Word) 13 Marzo, 2015 20:06 2

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403 errors after adding JS to header Product Support	2	1461	23 Febrero 2015
Can't find Admin > Customize > CSS/HTML Product Support	2	810	5 Febrero 2020
Script in /head broke site Product Support	9	2012	30 Noviembre 2015
Is it possible to change HTML of header and footer and message details on the forum? Development	8	4263	13 Octubre 2017
CSS admin-contents reloaded Feature	26	6131	25 Septiembre 2015