Cannot read property 'quitAndUninstall' of null

Hello, my appium stoped working on iOS simulators (it is woring on Android)

Getting these appium logs:

org.openqa.selenium.SessionNotCreatedException: Unable to create a new remote session. Please check the server log for more details. Original error: An unknown server-side error occurred while processing the command. Original error: Cannot read property ‘quitAndUninstall’ of null
Build info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:17:03’
System info: host: ‘ip-10-0-0-6.ec2.internal’, ip: ‘2a0d:6fc0:6d1:a800:685c:f76e:7788:5588%en0’, os.name: ‘Mac OS X’, os.arch: ‘x86_64’, os.version: ‘11.6’, java.version: ‘1.8.0_302’
Driver info: driver.version: AppiumDriver
remote stacktrace: UnknownError: An unknown server-side error occurred while processing the command. Original error: Cannot read property ‘quitAndUninstall’ of null
at getResponseForW3CError (/usr/local/lib/node_modules/appium/node_modules/appium-base-driver/lib/protocol/errors.js:804:9)
at asyncHandler (/usr/local/lib/node_modules/appium/node_modules/appium-base-driver/lib/protocol/protocol.js:380:37)
Build info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:17:03’
System info: host: ‘ip-10-0-0-6.ec2.internal’, ip: ‘2a0d:6fc0:6d1:a800:685c:f76e:7788:5588%en0’, os.name: ‘Mac OS X’, os.arch: ‘x86_64’, os.version: ‘11.6’, java.version: ‘1.8.0_302’
Driver info: driver.version: AppiumDriver

at io.appium.java_client.remote.AppiumCommandExecutor$1.createSession(AppiumCommandExecutor.java:216)
at io.appium.java_client.remote.AppiumCommandExecutor.createSession(AppiumCommandExecutor.java:225)
at io.appium.java_client.remote.AppiumCommandExecutor.execute(AppiumCommandExecutor.java:247)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
at io.appium.java_client.DefaultGenericMobileDriver.execute(DefaultGenericMobileDriver.java:41)
at io.appium.java_client.AppiumDriver.execute(AppiumDriver.java:1)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:213)
at io.appium.java_client.AppiumDriver.startSession(AppiumDriver.java:338)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
at io.appium.java_client.DefaultGenericMobileDriver.<init>(DefaultGenericMobileDriver.java:37)
at io.appium.java_client.AppiumDriver.<init>(AppiumDriver.java:89)
at io.appium.java_client.AppiumDriver.<init>(AppiumDriver.java:99)
at Tests.BaseTest.init(BaseTest.java:65)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:385)
at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:321)
at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:700)
at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:527)
at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:173)
at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:824)
at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:146)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at org.testng.TestRunner.privateRun(TestRunner.java:794)
at org.testng.TestRunner.run(TestRunner.java:596)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:377)
at org.testng.SuiteRunner.access$000(SuiteRunner.java:28)
at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:418)
at org.testng.internal.thread.ThreadUtil.lambda$execute$0(ThreadUtil.java:64)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at io.appium.java_client.remote.AppiumCommandExecutor$1.createSession(AppiumCommandExecutor.java:193)
… 39 more
Caused by: org.openqa.selenium.WebDriverException: An unknown server-side error occurred while processing the command. Original error: Cannot read property ‘quitAndUninstall’ of null
Build info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:17:03’
System info: host: ‘ip-10-0-0-6.ec2.internal’, ip: ‘2a0d:6fc0:6d1:a800:685c:f76e:7788:5588%en0’, os.name: ‘Mac OS X’, os.arch: ‘x86_64’, os.version: ‘11.6’, java.version: ‘1.8.0_302’
Driver info: driver.version: AppiumDriver
remote stacktrace: UnknownError: An unknown server-side error occurred while processing the command. Original error: Cannot read property ‘quitAndUninstall’ of null
at getResponseForW3CError (/usr/local/lib/node_modules/appium/node_modules/appium-base-driver/lib/protocol/errors.js:804:9)
at asyncHandler (/usr/local/lib/node_modules/appium/node_modules/appium-base-driver/lib/protocol/protocol.js:380:37)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.openqa.selenium.remote.W3CHandshakeResponse.lambda$errorHandler$0(W3CHandshakeResponse.java:62)
at org.openqa.selenium.remote.HandshakeResponse.lambda$getResponseFunction$0(HandshakeResponse.java:30)
at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:126)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958)
at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:499)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:486)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:531)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:128)
… 44 more