Spreadsheet prints empty cells

Document Server version: 6.4.2
Type of installation of the Document Server SNAP
OS: Ubuntu 18
Browser version: Google Chrome Versión 100.0.4896.60 (Build oficial) (64 bits)

when trying to print or export as pdf the cells containing data are empty.

Hello @ignaciogherardi
Could you please update your Document server to the latest version? After that please re-check the issue and let us know the result. Just checked v,7.0.1, all things run smoothly.