Unity WebGL error CS0117: ‘NetworkTransport’ does not contain a definition for ‘SetMulticastLock’

Platform: OS X
UNITY: 2019.2.0b9
error: export WebGL
Library/PackageCache/[email protected]/Runtime/NetworkDiscovery.cs(348,30): error CS0117: ‘NetworkTransport’ does not contain a definition for ‘SetMulticastLock’
How to Fix
Window > Package Manager > Multiplayer HLAPI > Remove Package
Try building again.

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