Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension

Question

I have tried many ways( all documented procedures)to inject script into a specific page upon checking URL at onUpdated.addListener. Finally the below code with \'executescri

Answer 1

Many will land up on this page for this error because they have not included their images/web resources in the manifest.json file. The link to the api documentation is helpful, so sharing it: web resource in manifest