Error en android studio al generar apk!!

Magic number did not match
java.lang.IllegalStateException: Magic number did not match
	at com.intellij.credentialStore.kdbx.KdbxSerializerKt.readKdbxHeader(KdbxSerializer.kt:146)
	at com.intellij.credentialStore.kdbx.KdbxSerializer.createUnencryptedInputStream(KdbxSerializer.kt:61)
	at com.intellij.credentialStore.kdbx.KdbxStreamFormat.load(kdbx.kt:54)
	at com.intellij.credentialStore.kdbx.KdbxKt.loadKdbx(kdbx.kt:35)
	at com.intellij.credentialStore.KeePassCredentialStore.<init>(KeePassCredentialStore.kt:82)
	at com.intellij.credentialStore.KeePassCredentialStore.<init>(KeePassCredentialStore.kt:44)
	at com.intellij.ide.passwordSafe.impl.PasswordSafeImplKt.computeProvider(PasswordSafeImpl.kt:39)
	at com.intellij.ide.passwordSafe.impl.PasswordSafeImpl.<init>(PasswordSafeImpl.kt:47)
	at com.intellij.ide.passwordSafe.impl.PasswordSafeImpl.<init>(PasswordSafeImpl.kt)
	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.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
	at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.doGetComponentInstance(CachingConstructorInjectionComponentAdapter.java:103)
	at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.instantiateGuarded(CachingConstructorInjectionComponentAdapter.java:80)
	at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.getComponentInstance(CachingConstructorInjectionComponentAdapter.java:63)
	at com.intellij.openapi.components.impl.ServiceManagerImpl$MyComponentAdapter.getComponentInstance(ServiceManagerImpl.java:220)
	at com.intellij.util.pico.DefaultPicoContainer.getLocalInstance(DefaultPicoContainer.java:240)
	at com.intellij.util.pico.DefaultPicoContainer.getComponentInstance(DefaultPicoContainer.java:207)
	at com.intellij.openapi.components.ServiceManager.doGetService(ServiceManager.java:49)
	at com.intellij.openapi.components.ServiceManager.getService(ServiceManager.java:39)
	at com.intellij.ide.passwordSafe.PasswordSafe.getInstance(PasswordSafe.java:28)
	at org.jetbrains.android.exportSignedPackage.KeystoreStep.updateSavedPassword(KeystoreStep.java:262)
	at org.jetbrains.android.exportSignedPackage.KeystoreStep.commitForNext(KeystoreStep.java:355)
	at org.jetbrains.android.exportSignedPackage.ExportSignedPackageWizard.commitCurrentStep(ExportSignedPackageWizard.java:349)
	at org.jetbrains.android.exportSignedPackage.ExportSignedPackageWizard.doNextAction(ExportSignedPackageWizard.java:343)
	at com.intellij.ide.wizard.AbstractWizard$5.actionPerformed(AbstractWizard.java:199)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.Component.processMouseEvent(Component.java:6548)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3325)
	at java.awt.Component.processEvent(Component.java:6313)
	at java.awt.Container.processEvent(Container.java:2237)
	at java.awt.Component.dispatchEventImpl(Component.java:4903)
	at java.awt.Container.dispatchEventImpl(Container.java:2295)
	at java.awt.Component.dispatchEvent(Component.java:4725)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4889)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4526)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4467)
	at java.awt.Container.dispatchEventImpl(Container.java:2281)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4725)
	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:80)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
	at java.awt.EventQueue$4.run(EventQueue.java:737)
	at java.awt.EventQueue$4.run(EventQueue.java:735)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:822)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:759)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
	at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
	at java.awt.Dialog.show(Dialog.java:1077)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:694)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:426)
	at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1688)
	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1637)
	at org.jetbrains.android.actions.GenerateSignedApkAction.actionPerformed(GenerateSignedApkAction.java:38)
	at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:220)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:237)
	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.lambda$actionPerformed$0(ActionMenuItem.java:301)
	at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:307)
	at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:104)
	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:291)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$0(ActionMenuItem.java:111)
	at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88)
	at com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransaction$1(TransactionGuardImpl.java:111)
	at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:120)
	at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:122)
	at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:111)
	at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:528)
	at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:48)
	at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:548)
	at java.awt.Component.processMouseEvent(Component.java:6548)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3325)
	at java.awt.Component.processEvent(Component.java:6313)
	at java.awt.Container.processEvent(Container.java:2237)
	at java.awt.Component.dispatchEventImpl(Component.java:4903)
	at java.awt.Container.dispatchEventImpl(Container.java:2295)
	at java.awt.Component.dispatchEvent(Component.java:4725)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4889)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4526)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4467)
	at java.awt.Container.dispatchEventImpl(Container.java:2281)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4725)
	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:80)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
	at java.awt.EventQueue$4.run(EventQueue.java:737)
	at java.awt.EventQueue$4.run(EventQueue.java:735)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:822)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:759)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	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)