As for #2 and #3 issues, the data migration process didn't completed successfully. Some images are missing.Issue #1. Change the 'Cache' folder permission to 777 as it placed at the root folder of your elxis installation. If the issue still exist then: a) Delete the Cache folderb) Create a new folder and rename it to 'Cache'c) Upload the index.html file as i attach to this current post.d) Change the folder permissions to 777.
Send me a Private message with an FTP account of your website.