Hi
I got an error when try to open any of examples in mac.
What's the problem ?

This is the error log :

Spine Launcher 4.0.22
Esoteric Software LLC (C) 2013-2020 | http://esotericsoftware.com
Mac OS X x86_64 10.16
Intel Inc., Intel(R) Iris(TM) Plus Graphics 640, 2.1 INTEL-16.1.7
Launching: Spine 3.8.99 Professional
Spine Launcher 4.0.22-legacy
Starting: Spine 3.8.99
Spine 3.8.99 Professional
Licensed to: #####, #####
Intel Inc., Intel(R) Iris(TM) Plus Graphics 640, 2.1 INTEL-16.1.7
Started.
OpenAL 1.1, Default audio device
WARNING: Error opening project:
gc: Error reading file: null/examples/spineboy/spineboy-pro.spine (Absolute)
   at g.D(SourceFile:150)
   at sF.D(SourceFile:643)
   at pQ.D(SourceFile:498)
   at adV.run(SourceFile:279)
   at tW.run(SourceFile:1183)
   at aft.D(SourceFile:488)
   at dK.D(SourceFile:65)
   at dl.D(SourceFile:98)
   at do.D(SourceFile:46)
   at do.D(SourceFile:49)
   at dt.D(SourceFile:222)
   at com.esotericsoftware.spine.editor.Editor.B(SourceFile:13186)
   at lPT3.D(SourceFile:287)
   at lPT3.B(SourceFile:244)
   at kT.B(SourceFile:109)
   at nuL.run(SourceFile:200)
   at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
   at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
   at java.desktop/java.awt.EventQueue.access$600(Unknown Source)
   at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
   at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
   at java.base/java.security.AccessController.doPrivileged(Native Method)
   at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
   at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
   at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
   at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
   at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
   at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
   at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
   at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.io.FileNotFoundException: null/examples/spineboy/spineboy-pro.spine (No such file or directory)
   at java.base/java.io.FileInputStream.open0(Native Method)
   at java.base/java.io.FileInputStream.open(Unknown Source)
   at java.base/java.io.FileInputStream.<init>(Unknown Source)
   at g.D(SourceFile:146)
   ... 29 more

What's the problem ?