[Launcher not working in Big Sur]

The Launcher stopped working months ago. I'm not quite sure when. 

It seems to download the fresh build with no problem, but when I press "Play" nothing happens. 

The Console reports this:

Process:               OpenRCT2 [2868]
Path:                  /Users/USER/Library/Application Support/OpenRCT2/*/OpenRCT2.app/Contents/MacOS/OpenRCT2
Identifier:            OpenRCT2
Version:               0.3.4.1 (0)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
User ID:               501

Date/Time:             2021-11-04 07:14:12.105 -0500
OS Version:            macOS 11.6.1 (20G224)
Report Version:        12
Bridge OS Version:     6.0 (19P548)
Anonymous UUID:        B727C3AE-5650-E948-4583-6F668A6BCD4D

Sleep/Wake UUID:       F14704B0-B954-488B-9BB3-E7BD685427D1

Time Awake Since Boot: 19000 seconds
Time Since Wake:       7100 seconds

System Integrity Protection: enabled

Crashed Thread:        0

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    DYLD, [0x1] Library missing

Application Specific Information:
dyld: launch, loading dependent libraries

Dyld Error Message:
  dyld: Using shared cache: 80896B32-9EB1-3A10-A7C5-449B15305DE2
Library not loaded: @executable_path/../Frameworks/libduktape.2.dylib
  Referenced from: /Users/USER/Library/Application Support/OpenRCT2/*/OpenRCT2.app/Contents/MacOS/OpenRCT2
  Reason: no suitable image found.  Did find:
	/Users/james/Library/Application Support/OpenRCT2/bin/OpenRCT2.app/Contents/MacOS/../Frameworks/libduktape.2.dylib: file too short
	/Users/james/Library/Application Support/OpenRCT2/bin/OpenRCT2.app/Contents/MacOS/../Frameworks/libduktape.2.dylib: file too short

Binary Images:
       0x10d79a000 -        0x10d915fff +io.openrct2.OpenRCT2 (0.3.4.1 - 0) <BE61F255-3D6A-39F7-A824-9B9046411B5A> /Users/USER/Library/Application Support/OpenRCT2/*/OpenRCT2.app/Contents/MacOS/OpenRCT2
       0x10da23000 -        0x10e07afff +libopenrct2.dylib (0) <43B527D9-103F-329E-97D5-523AF57E6FAD> /Users/USER/Library/Application Support/OpenRCT2/*/OpenRCT2.app/Contents/Frameworks/libopenrct2.dylib
       0x10eba2000 -        0x10ec01fff +libssl.1.1.dylib (0) <C784F0CC-D80D-3FE2-B4F7-48C50023D87D> /Users/USER/Library/Application Support/OpenRCT2/*/OpenRCT2.app/Contents/Frameworks/libssl.1.1.dylib
       0x10ec32000 -        0x10ee15fff +libcrypto.1.1.dylib (0) <307DBFBB-94B4-3D78-9274-85DDEE0028E5> /Users/USER/Library/Application Support/OpenRCT2/*/OpenRCT2.app/Contents/Frameworks/libcrypto.1.1.dylib
       0x114df4000 -        0x114e8ffff  dyld (852.2) <14C5D17F-5032-37A2-9CD8-F437EB4A3992> /usr/lib/dyld
    0x7fff32f01000 -     0x7fff32f67fff  libcurl.4.dylib (121.101.1) <517F6BB3-5752-3B40-9107-E35C627A1E43> /usr/lib/libcurl.4.dylib
    0x7fff34f37000 -     0x7fff34f3afff  com.apple.Cocoa (6.11 - 23) <E8E14342-DDF9-3351-B93D-8DEDBA5CAABA> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
    0x7fff6bad1000 -     0x7fff6bae0fff  com.apple.opengl (18.5.9 - 18.5.9) <2A421CC5-4D60-339C-9772-3AC991232BD8> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL

Any advice?