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Startup Error: Facility Scheduler Update Issue

This troubleshooting guide addresses a startup error in ACS Facility Scheduler related to a missing Microsoft .NET update, affecting multiple versions of the product.

When updating ACS Facility Scheduler at startup, this error displays:

"System.TypeInitializationException: The type initializer for 'AcsTech.Core.Diagnostics. MessageList' threw an exception"

  • Products affected: ACS Facility Scheduler

  • Versions affected: Multiple Versions

This error is caused when the latest version of Microsoft .NET is not installed.

To resolve the error, download the latest version, then update ACS Facility Scheduler.