There are many reasons for which you can have this error in your SharePoint server logs. One of the scenerio is explained below. Main Reason: One of the major reason for this error is; the SharePoint is not able to resolve the URL. There is something wrong with the alternate access mapping. Please make sure the alternate access mapping is configured properly. For more details on alternate access mapping in SharePoint, please visit: Alternate Access Mapping We had sharepoint 2016 and all website under that were https:// from the firewall. When we tried to load the web site, error occured with a Correlation Id. After checking the code I found the error message "Cannot find site lookup info for request Uri http://". I URL was able to authenticate the user but on page load the error occurs. My alternate access mapping was: https://mysite default https://mysite Reason: This is all right unless the User gets …
I configured the complete development environment for SharePoint 2013 app development (SharePoint Hosted) as per the recommended approach. Everything seems to work perfectly fine, after few days when I tried to deploy another app from VS 2013, the app deployment time goes up to 30 mins with error "Unable to install app for SharePoint", and sometimes the deployment timer becomes endless in VS 2013.
When I checked the app status on the target web application it always shows "we're adding your app click here to cancel".
This was too annoying and I can't even redeploy it from VS 2013 as it prompts versioning error. Finally I was able to resolve it, please preoceed with following steps.
Go to the target web application, and click "Cancel" on the app.
Once it is removed, go to the SharePoint Server on which SharePoint 2013 has been installed.
Go to Windows Services: Windows from Start -> Administrative Tools. Alternatively you can got to Start -> Run ->…