this is what i get when i try to open transporter on my mac - OS high sierra 10.13.6 rocess: Transporter [1348] Path: /Applications/Transporter.app/Contents/MacOS/Transporter Identifier: com.apple.TransporterApp Version: 1.2.1 (1255) Build Info: TransporterApp-121055000000000~6 App Item ID: 1450874784 App External ID: 841164302 Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: Transporter [1348] User ID: 501 Date/Time: 2021-05-07 21:39:12.668 +0100 OS Version: Mac OS X 10.13.6 (17G14042) Report Version: 12 Anonymous UUID: CA0B0747-06CE-7528-FCC0-65F103CBBC4E Sleep/Wake UUID: E3C985C6-B574-4DC5-89C8-E647E145B292 Time Awake Since Boot: 8900 seconds Time Since Wake: 270 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, [0x5] Code Signature Application Specific Information: dyld: launch, loading dependent libraries Dyld Error Message: Library not loaded: @rpath/libswiftCore.dylib Referenced from: /Applications/Transporter.app/Contents/Frameworks/ContentDeliveryServices.framework/Versions/A/Frameworks/ITunesConnectFoundation.framework/Versions/A/Frameworks/CupertinoJWT.framework/Versions/A/CupertinoJWT Reason: no suitable image found. Did find: /Applications/Transporter.app/Contents/MacOS/../Frameworks/libswiftCore.dylib: code signature in (/Applications/Transporter.app/Contents/MacOS/../Frameworks/libswiftCore.dylib) not valid for use in process using Library Validation: mapping process and mapped file (non-platform) have different Team IDs /Applications/Transporter.app/Contents/Frameworks/ContentDeliveryServices.framework/Versions/A/Frameworks/ITunesConnectFoundation.framework/Versions/A/Frameworks/CupertinoJWT.framework/Versions/A/../../../../../../../../../../../../Frameworks/libswiftCore.dylib: code signature in (/Applications/Transporter.app/Contents/Frameworks/ContentDeliveryServices.framework/Versions/A/Frameworks/ITunesConn Model: iMac12,1, BootROM 87.0.0.0.0, 4 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 1.71f22 Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3230554638424353302D444A2D4620 Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3230554638424353302D444A2D4620 AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x9A), Atheros 9380: 4.0.74.0-P2P Bluetooth: Version 6.0.7f22, 3 services, 18 devices, 1 incoming serial ports Network Service: Wi-Fi, AirPort, en1 Serial ATA Device: ST3500418AS, 500.11 GB Serial ATA Device: OPTIARC DVD RW AD-5690H USB Device: USB 2.0 Bus USB Device: FaceTime HD Camera (Built-in) USB Device: Hub USB Device: USB Keyboard USB Device: Composite Device USB Device: BRCM2046 Hub USB Device: Bluetooth USB Host Controller USB Device: USB 2.0 Bus USB Device: Hub USB Device: IR Receiver USB Device: Internal Memory Card Reader Thunderbolt Bus: iMac, Apple Inc., 25.1

I have the same problem as well. I have sent numerous crash reports to apple but they are not responding! I want my developer fee of £89 back