Hi
I'm SEO specialist and can help you fixing errors in Webmaster Tools, or Google Analytics or Tag Manager. if you have tried submitting site map and got an error, it must be fired your some of files, and this happen on most of quick platform sites such as shopify, wix, and Wordpress, however if you indexed and rendered your files it may show error if there are no crawled happened or error.
Please discuss with me I will help you sort your problem if there is, because you were saying that you have fixed and just need Inspection guy for to inspect the Webmaster is that working perfect, then I'm for you, I will help you, message me I will be here.
Thank you