Note same was working with Old version of mac os and xcode.
Envrionemt
mac OS 14.3
and xcode 15.2
Appium inspector version : 2023.12.2
Node.js : 14.16.0
Appium server version: 1.22.3
Failed to create session. An unknown server-side error occurred while processing the command. Original error: Unable to launch WebDriverAgent because of xcodebuild failure: xcodebuild failed with code 65 xcodebuild error message: Command line invocation: /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild build-for-testing test-without-building -project “/Applications/Appium Server GUI.app/Contents/Resources/app/node_modules/appium/node_modules/appium-webdriveragent/WebDriverAgent.xcodeproj” -scheme WebDriverAgentRunner -derivedDataPath /Users/admin/Library/Developer/Xcode/DerivedData/WebDriverAgent-aghlrsejdreqngftgvcqwnjgrbou -destination id=64C6736E-423D-4AF5-85D6-0C1394EA561B IPHONEOS_DEPLOYMENT_TARGET=17.2 GCC_TREAT_WARNINGS_AS_ERRORS=0 COMPILER_INDEX_STORE_ENABLE=NO User defaults from command line: IDEDerivedDataPathOverride = /Users/admin/Library/Developer/Xcode/DerivedData/WebDriverAgent-aghlrsejdreqngftgvcqwnjgrbou IDEPackageSupportUseBuiltinSCM = YES Build settings from command line: COMPILER_INDEX_STORE_ENABLE = NO GCC_TREAT_WARNINGS_AS_ERRORS = 0 IPHONEOS_DEPLOYMENT_TARGET = 17.2 — xcodebuild: WARNING: Using the first of multiple matching destinations: { platform:iOS Simulator, id:64C6736E-423D-4AF5-85D6-0C1394EA561B, OS:17.2, name:iPhone 15 } { platform:iOS Simulator, id:64C6736E-423D-4AF5-85D6-0C1394EA561B, OS:17.2, name:iPhone 15 } Prepare packagesappium-server-logs.txt (525.2 KB)