Encountered error (X) on Yearly backup

Hi

I backup this using my daily backup sched and it worked okey, when I run a yearly backup with verify on, I experience the following errors,
Hope you can advise me to how to troubleshoot this errors. Im using BE2014, Full backup only Daily and Monthly and Yearly. Backing up files only,SQL only backing up .bak files

Directory Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup\ was not found, or could not be accessed.

None of the files or subdirectories contained within will be backed up.

V-79-57344-33967 - The directory or file was not found, or could not be accessed.

V-79-57344-65033 - Directory not found. Cannot backup directory \sqlExport and its subdirectories.

Backup
V-79-57344-34108 - An unexpected error occurred when cleaning up snapshot volumes. Confirm that all snapped volumes are correctly resynchronized with the original volumes.

Best Regards