This often means the path to the form is wrong. Either re-browse for it or eliminate the path altogether. 

Also, check your Customization Directories have been updated.

This are standard sage reports that do not work. like TB , Balance Sheet etc.  We did the standard procedure for upgrade....site user and company and SQL database from old sage moved to new server and then change pointers in database setup to look at new server and hit upgrade. 

Do you have more than 15 files in the C:\Program Files (x86)\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Common\SAP BusinessObjects Enterprise XI 4.0\win32_x86 folder?

just checked 266 files

just checked 266 files