For Google Crawling Problem ,
• Remove the login from pages that you want Google to crawl, whether it’s an in-page or popup login prompt
• Check your robots.txt file to ensure the pages listed on there are meant to be blocked from crawling and indexing
• Use the robots.txt tester to see warnings on your robots.txt file and to test individual URLs against your file
• Use a user-agent switcher plugin for your browser, or the Fetch as Google tool to see how your site appears to Googlebot
• Scan your website with Screaming Frog, which will prompt you to log in to pages if the page requires it .
To Fix Unparsable structured data :
• Click an error row to see affected pages, error details, and links for debugging tools. See the full descriptions of the error types in the table below.
• Use the Rich Results test to fix and test the syntax of your structured data.
• After you have fixed an issue, click Validate Fix in the error details page.