The following applies if you are using a version of the software before Update 33 and SmartPlant Markup Plus Server 2019 SP 1 or earlier. For the latest information, see File viewing problems.
When viewing a non-Hexagon file in the View and Markup page, an "unable to load" error displays.
You might encounter this problem if SSL certificates were not imported properly.
Make sure all SSL certificates, including intermediate certificates, are imported to:
Local Computer > Personal and Local Computer > Trusted Root Certification Authorities in IIS Manager on the SmartPlant Foundation application server, SmartPlant Markup Plus server, and SmartPlant Foundation File Server (if separate from the application server)
The local keystore on the SmartPlant Markup Plus server, using Java Keytool. For help, see the Apache Tomcat documentation at tomcat.apache.org.