[asp.net] IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration data for the page is invalid error

Actually, any missing module can lead to this problem. In my case, it was CORS Module. So read the web.config and seek for any addon module that you specified in it and check that it is installed, or install it otherwise. Unfortunately, the error message does not help finding the problem at all.

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IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration data for the page is invalid error