Starting with Salesforce Spring '20 release, system administrators have to grant profiles or permission sets access to Custom Metadata Types. Fonteva uses Custom Metadata Types to control the behavior of the application.
To grant a specific profile or permission set Read access to a Custom Metadata Type, navigate to the Custom Metadata Types permissions as illustrated in this Salesforce release notes and follow the instructions to grant Read access.
Below is the list of Custom Metadata Types that need access based on the packages installed in your environment:
Spark.Framework.Fonteva Pulse Component
Spark.Framework.Fonteva Registry Entry
Spark.Framework.Keystore
Spark.Framework.Spark Plug Extension
Spark.Framework.Spark Plug Extension Point
Engage.PagesApi.Fonteva Controller Route
Charge.OrderApi.Custom Payment Type Template
Assemble.EventApi.Event Builder Tab
Assemble.EventApi.Event Registration Style
Assemble.EventApi.Event Status Template
Assemble.EventApi.Lightning Event Component
Assemble.EventApi.Lightning Event Page Template
Assemble.EventApi.Lightning Event Page Template Component
Fonteva Services.FDService.Fonteva Service Module
Fonteva Services.FDService.Fonteva Service Module Class