Appium DeskTop getting hand while pulling data from API(API having near about 3000 data)

Real Device OS = iOS 12.3.1
Appium DeskTop = 1.15.1
xCode = 10.2.1

My app making API call on one screen and getting near about 3000 data row. API is rendering data on actual device but Appium desktop taking time after some time Appium getting hang. Any body have this kind of issue and if so how it got resolved.

because of this error I am blocked. Can someone help me pls?

Appium Desktop error.
Here is the log.

[Xcode]
[Xcode] t = 140.12s Snapshot accessibility hierarchy for app with pid 1609
[Xcode]
[Xcode] 2020-01-07 13:47:22.974743-0800 WebDriverAgentRunner-Runner[1606:459147] Cannot take the snapshot of Application ‘com.whistle.winston-ent’ after 15 seconds
[Xcode] t = 160.87s Snapshot accessibility hierarchy for app with pid 1609
[Xcode] t = 160.88s Snapshot accessibility hierarchy for app with pid 1609
[Xcode]
[Xcode] t = 205.92s Get all elements bound by accessibility element for: Elements matching predicate ‘wdUID IN {“55000000-0000-0000-4906-000000000000”, “26010000-0000-0000-4906-000000000000”, “56000000-0000-0000-4906-000000000000”} AND (1 == 1 OR identifier == 0 OR frame == 0 OR value == 0 OR title == 0 OR label == 0 OR elementType == 0 OR enabled == 0 OR placeholderValue == 0)’
[Xcode]
[Xcode] t = 205.92s Snapshot accessibility hierarchy for app with pid 1609
[Xcode]
[Xcode] 2020-01-07 13:48:23.057463-0800 WebDriverAgentRunner-Runner[1606:459147] Enqueue Failure: Failed while resolving query: Error getting main window kAXErrorIPCTimeout /Applications/Appium.app/Contents/Resources/app/node_modules/appium-webdriveragent/WebDriverAgentRunner/UITestingUITests.m 38 1
[Xcode]
[WD Proxy] Got response with status 200: {
[WD Proxy] “value” : “\n\n”,
[WD Proxy] “sessionId” : “6126D624-0F5B-4499-B600-4FFE9E0D5F93”
[WD Proxy] }
[Xcode] t = 252.85s Checking existence of Alert
[Xcode]
[XCUITest] Taking screenshot with WDA
[WD Proxy] Matched ‘/screenshot’ to command name ‘getScreenshot’
[WD Proxy] Proxying [GET /screenshot] to [GET http://localhost:8100/session/6126D624-0F5B-4499-B600-4FFE9E0D5F93/screenshot] with no body
[MJSONWP (baea671b)] Responding to client with driver.getPageSource() result: “”
[HTTP] <-- GET /wd/hub/session/baea671b-53f2-4abd-8ec4-e59d8bf9d121/source 200 112755 ms - 316
[HTTP]
[Xcode] t = 252.85s Snapshot accessibility hierarchy for app with pid 1609
[Xcode]
[Xcode] t = 260.72s Find: Descendants matching type Alert
[Xcode]
[Xcode] t = 260.75s Checking existence of Sheet
[Xcode]
[Xcode] t = 260.75s Snapshot accessibility hierarchy for app with pid 1609
[Xcode]
[Xcode] t = 262.44s Find: Descendants matching type Sheet
[Xcode]
[WD Proxy] Got response with status 200: {
[WD Proxy] “value” : "iVBORw0KGgoAAAANSUhEUgAAAu4AAAU2CAIAAABFtaRRAAAAAXNSR0IArs4c6QAA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\r\nkw5FxAjhNQxTNCgtU1RIHEFLHTjGpExDQ8OhQ8XTaQxvmfPOF…
[WD Proxy] Proxying [GET /window/size] to [GET http://localhost:8100/session/6126D624-0F5B-4499-B600-4FFE9E0D5F93/window/size] with no body
[MJSONWP (baea671b)] Responding to client with driver.getScreenshot() result: "iVBORw0KGgoAAAANSUhEUgAAAu4AAAU2CAIAAABFtaRRAAAAAXNSR0IArs4c6QAA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\r\n…
[HTTP] <-- GET /wd/hub/session/baea671b-53f2-4abd-8ec4-e59d8bf9d121/screenshot 200 122448 ms - 331286
[HTTP]
[Xcode] t = 262.59s Snapshot accessibility hierarchy for app with pid 1609
[Xcode]