Pages are not getting migrated to Modern Team Site :Exception: Could not retrieve Document. Exception: The remote server returned an error: (404) Not Found.

Hi,

Pages are not getting migrated, folder's and files's are getting migrated including metadata.

Source: SharePoint 2010 Onpremise

Target : Modern team site (online)

These pages are the main reason for the migration, Which I am unable to migrate. Please suggest me how can i proceed ?

Exception: Could not retrieve Document. Exception: The remote server returned an error: (404) Not Found.