I have a SharePoint 2016 farm that is running Visio Services. Quite often the vent viewer is flooded with a error event "Failed to access the cache." and the ULS complains about missing cache files;
"Failed to generate raster diagram for file https://WEBAPP.COMPANY.COM/SITE/VISIOFILE.vsdx page Image1 Error : System.IO.FileNotFoundException: X:\Program Files\Microsoft Office Servers\16.0\Data\VisioServer\VisioCachea83b9056-071f-4739-8e08-8b4d03bb3bf8\VisioBundled17c818763d0434d8b2aea9c2ba59031.cache"
The permissions are set for the directory mentioned above, have event tried granting all service accounts access to it. I have recreated the service a couple of times.