Error: Failed to start an Appium session, err was: Error: Installing /Users/admin/Desktop/UIKitCatalog.app failed

I have an app which has been signed with a developer profile. The app is already installed on the device. Then I tried to launch Appium inspector and I get error as “Failed to start an Appium session, err was: Error: Installing”

Appium Version:1.4.13
OS : OS X 10.11.1
iOS : 9.1

In my device Settings->General->Enable UI Automation is set to YES.

i am unable launch application on iPhone 4s device , pls help to resolve this prlm
below shows error logs:

Launching Appium with command: ‘/Applications/Appium.app/Contents/Resources/node/bin/node’ lib/server/main.js --address “127.0.0.1” --callback-address “127.0.0.1” --callback-port “4723” --command-timeout “7200” --debug-log-spacing --platform-version “9.2.1” --platform-name “iOS” --app “com.marlabs.blackbook” --udid “0d36138461318ea7fe493b272ee6e27d3bd3eb75” --show-ios-log --device-name “iPhone 4s” --language “en” --native-instruments-lib

info: Welcome to Appium v1.4.13 (REV c75d8adcb66a75818a542fe1891a34260c21f76a)

info: Appium REST http interface listener started on 127.0.0.1:4723

info: [debug] Non-default server args: {“app”:“com.marlabs.blackbook”,“udid”:“0d36138461318ea7fe493b272ee6e27d3bd3eb75”,“address”:“127.0.0.1”,“callbackAddress”:“127.0.0.1”,“callbackPort”:4723,“nativeInstrumentsLib”:true,“deviceName”:“iPhone 4s”,“platformName”:“iOS”,“platformVersion”:“9.2.1”,“language”:“en”,“showIOSLog”:true,“defaultCommandTimeout”:7200,“debugLogSpacing”:true}

info: Console LogLevel: debug

info: --> GET /wd/hub/status {}

info: [debug] Responding to client with success: {“status”:0,“value”:{“build”:{“version”:“1.4.13”,“revision”:“c75d8adcb66a75818a542fe1891a34260c21f76a”}}}

info: <-- GET /wd/hub/status 200 8.847 ms - 105 {“status”:0,“value”:{“build”:{“version”:“1.4.13”,“revision”:“c75d8adcb66a75818a542fe1891a34260c21f76a”}}}

info: --> POST /wd/hub/session {“desiredCapabilities”:{“app”:"/Users/admin/Desktop/UIKitCatalog.app",“platformName”:“iOS”,“deviceName”:“Marlabs iPhone”,“version”:“9.2”,“device”:“iPhone 4s”}}

info: Client User-Agent string: Apache-HttpClient/4.5.1 (Java/1.8.0_71)
info: *************************************
info: *************************************
info: *************************************
info: *************************************
info: *************************************
info: *************************************
info: *************************************
info: *************************************
info: **** NEW SESSION ***
info: **** NEW SESSION ***

info: **** NEW SESSION ***
info: **** NEW SESSION ***
info: **** NEW SESSION ***
info: **** NEW SESSION ***
info: **** NEW SESSION ***
info: **** NEW SESSION ***
info: *************************************
info: *************************************
info: *************************************
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info: *************************************
info: [debug] The following desired capabilities were provided, but not recognized by appium. They will be passed on to any other services running on this server. : version, device
info: [debug] Using local app from desired caps: /Users/admin/Desktop/UIKitCatalog.app
info: [debug] Creating new appium session f421eb4d-d998-4dea-9e47-f87898e63483
info: [debug] Removing any remaining instruments sockets
info: [debug] Cleaned up instruments socket /tmp/instruments_sock
info: [debug] Auto-detecting iOS udid…
info: [debug] Not auto-detecting udid, running on sim

info: [debug] Parsed app Info.plist (as binary)
info: [debug] Parsed app Localizable.strings
info: [debug] Getting bundle ID from app
info: [debug] Parsed app Info.plist (as binary)
info: [debug] Creating instruments
info: [debug] Preparing uiauto bootstrap
info: [debug] Dynamic bootstrap dir: /Users/admin/Library/Application Support/appium/bootstrap
info: [debug] Dynamic env: {“nodePath”:"/Applications/Appium.app/Contents/Resources/node/bin/node",“commandProxyClientPath”:"/Applications/Appium.app/Contents/Resources/node_modules/appium/submodules/appium-uiauto/bin/command-proxy-client.js",“instrumentsSock”:"/tmp/instruments_sock",“interKeyDelay”:null,“justLoopInfinitely”:false,“autoAcceptAlerts”:false,“autoDismissAlerts”:false,“sendKeyStrategy”:“grouped”}

info: [debug] Dynamic bootstrap code: // This file is automatically generated. Do not manually modify!

info: [debug] Dynamic bootstrap path: /Users/admin/Library/Application Support/appium/bootstrap/bootstrap-5923cadea0343e3f.js
info: [debug] Reusing dynamic bootstrap: /Users/admin/Library/Application Support/appium/bootstrap/bootstrap-5923cadea0343e3f.js
info: [debug] Attempting iOS device log capture via libimobiledevice idevicesyslog

info: [debug] Creating iDevice object with udid 0d36138461318ea7fe493b272ee6e27d3bd3eb75

info: [debug] App is not installed. Will try to install the app.

info: [debug] Cleaning up appium session

error: Failed to start an Appium session, err was: Error: Installing /Users/admin/Desktop/UIKitCatalog.app failed

info: [debug] Error: Installing /Users/admin/Desktop/UIKitCatalog.app failed
at /Applications/Appium.app/Contents/Resources/node_modules/appium/node_modules/node-idevice/main.js:159:6
at ChildProcess.exithandler (child_process.js:742:7)
at ChildProcess.emit (events.js:110:17)
at maybeClose (child_process.js:1015:16)
at Socket. (child_process.js:1183:11)
at Socket.emit (events.js:107:17)
at Pipe.close (net.js:485:12)

info: [debug] Responding to client with error: {“status”:33,“value”:{“message”:“A new session could not be created. (Original error: Installing /Users/admin/Desktop/UIKitCatalog.app failed)”,“origValue”:“Installing /Users/admin/Desktop/UIKitCatalog.app failed”},“sessionId”:null}
info: <-- POST /wd/hub/session 500 1115.511 ms - 232

pls let me know if i am doing any thing wrong?