When doing list migrations, the URL for the target site was changed. The website URL was changed to default.aspx from home.aspx.
The following error is present on the logs:
Retrieving Web Parts - Error occurred while getting Web Page for: "test34/AllItems.aspx": Client received SOAP Fault from server: Server was unable to process request. ---> The file http://sp2010/sites/case146996/test34/AllItems.aspx does not exist. Please see the server log to find more detail regarding exact cause of the failure