Android studio IDE internal error occurred Error says Unable to serialize DslActivationStatus state - flutter

Question

1.Why Unable to serialize DslActivationStatus state happens
2. How to solve this error
3.I have provided screenshot of this error
Please look at the error screenshot
Unable to serialize DslActivationStatus state
com.intellij.util.xmlb.XmlSerializationException: Can't serialize instance of class org.jetbrains.plugins.groovy.dsl.DslActivationStatus$State
at com.intellij.configurationStore.XmlSerializer.serialize(xmlSerializer.kt:63)
at com.intellij.configurationStore.XmlSerializer.serialize$default(xmlSerializer.kt:47)
at com.intellij.configurationStore.SaveSessionBaseKt.serializeState(SaveSessionBase.kt:46)
at com.intellij.configurationStore.SaveSessionBase.setState(SaveSessionBase.kt:20)
at com.intellij.configurationStore.ComponentStoreImpl.commitComponent(ComponentStoreImpl.kt:283)
at com.intellij.configurationStore.ComponentStoreImpl.commitComponents$intellij_platform_configurationStore_impl(ComponentStoreImpl.kt:199)
at com.intellij.configurationStore.ComponentStoreWithExtraComponents.commitComponents$intellij_platform_configurationStore_impl(ComponentStoreWithExtraComponents.kt:89)
at com.intellij.configurationStore.ComponentStoreImpl.doCreateSaveSessionManagerAndCommitComponents$intellij_platform_configurationStore_impl(ComponentStoreImpl.kt:155)
at com.intellij.configurationStore.ComponentStoreImpl$createSaveSessionManagerAndSaveComponents$3.invokeSuspend(ComponentStoreImpl.kt:146)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(Dispatched.kt:236)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:315)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.doRun(LaterInvocator.java:435)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:419)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:403)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:757)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:706)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:375)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: org.jdom.IllegalDataException: The data "org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
categoryTransformgdsl: 1: unexpected char: 0x0 # line 1, column 5.
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Answer 1

In your function list you are calling the functions on list creation. This makes flutter throws this exception (which is correct because Navigator tries to route during the build phase of the other widget).
Apart from that, the code is quite weird to me but to get it to work you need to use this list:
final List<Function> ontaps = [
functionOne,
functionTwo,
functionThree,
functionFour,
functionFive,
functionSix,
functionSeven,
functionEight,
functionNine,
functionTen,
functionEleven,
functionTwelve,
functionThirteen,
functionFourteen,
functionFifteen
];