Type coercion error on opening window

java.lang.ClassCastException: Error trying to coerce 'NA' to a number.
	at com.inductiveautomation.ignition.common.TypeUtilities.toNumber(TypeUtilities.java:800)
	at com.inductiveautomation.ignition.common.TypeUtilities.coerce(TypeUtilities.java:1146)
	at com.inductiveautomation.factorypmi.application.binding.AbstractPropertyAdapter.setQValue(AbstractPropertyAdapter.java:223)
	at com.inductiveautomation.factorypmi.application.binding.AbstractPropertyAdapter.updateValue(AbstractPropertyAdapter.java:269)
	at com.inductiveautomation.factorypmi.application.binding.ExpressionPropertyAdapter.runExpression(ExpressionPropertyAdapter.java:89)
	at com.inductiveautomation.factorypmi.application.binding.ExpressionPropertyAdapter.startup(ExpressionPropertyAdapter.java:113)
	at com.inductiveautomation.factorypmi.application.binding.DefaultInteractionController.startupBindings(DefaultInteractionController.java:355)
	at com.inductiveautomation.factorypmi.application.binding.DefaultInteractionController.startupAdapters(DefaultInteractionController.java:360)
	at com.inductiveautomation.factorypmi.application.FPMIWindow.startup(FPMIWindow.java:344)
	at com.inductiveautomation.factorypmi.designer.workspace.WindowWorkspace$DesigntimeWindowOpener.openWindow(WindowWorkspace.java:3737)
	at com.inductiveautomation.factorypmi.designer.workspace.WindowWorkspace.openWindow(WindowWorkspace.java:1478)
	at com.inductiveautomation.factorypmi.designer.model.VisionDesignerImpl$DesignableProjectListener.updateResources(VisionDesignerImpl.java:1760)
	at com.inductiveautomation.factorypmi.designer.model.VisionDesignerImpl$DesignableProjectListener.resourcesModified(VisionDesignerImpl.java:1703)
	at com.inductiveautomation.ignition.common.project.AbstractProject.notifyResourceListeners(AbstractProject.java:351)
	at com.inductiveautomation.ignition.common.project.AbstractProject.updateEffectiveState(AbstractProject.java:153)
	at com.inductiveautomation.ignition.designer.project.DesignerProjectTreeImpl.modifyResource(DesignerProjectTreeImpl.java:170)
	at com.inductiveautomation.ignition.designer.project.DesignableProject.createOrModify(DesignableProject.java:160)
	at com.inductiveautomation.factorypmi.designer.workspace.WindowWorkspace.saveContainer(WindowWorkspace.java:1794)
	at com.inductiveautomation.factorypmi.designer.workspace.WindowWorkspace.commitDesignable(WindowWorkspace.java:1496)
	at com.inductiveautomation.factorypmi.designer.workspace.WindowWorkspace.commitAll(WindowWorkspace.java:1065)
	at com.inductiveautomation.factorypmi.designer.model.VisionDesignerImpl.notifyProjectSaveStart(VisionDesignerImpl.java:552)
	at com.inductiveautomation.ignition.designer.IgnitionDesigner.commitAll(IgnitionDesigner.java:1593)
	at com.inductiveautomation.ignition.designer.IgnitionDesigner.handleSave(IgnitionDesigner.java:1358)
	at com.inductiveautomation.ignition.designer.IgnitionDesigner.export(IgnitionDesigner.java:1247)
	at com.inductiveautomation.ignition.designer.IgnitionDesigner.export(IgnitionDesigner.java:1241)
	at com.inductiveautomation.ignition.designer.IgnitionDesigner.export(IgnitionDesigner.java:1224)
	at com.inductiveautomation.ignition.designer.IgnitionDesigner$Handler$10.actionPerformed(IgnitionDesigner.java:2400)
	at java.desktop/javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at java.desktop/javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at java.desktop/javax.swing.AbstractButton.doClick(Unknown Source)
	at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
	at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
	at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
	at java.desktop/java.awt.Component.processMouseEvent(Unknown Source)
	at java.desktop/javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.desktop/java.awt.Component.processEvent(Unknown Source)
	at java.desktop/java.awt.Container.processEvent(Unknown Source)
	at java.desktop/java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.Component.dispatchEvent(Unknown Source)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.Component.dispatchEvent(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/java.awt.EventQueue$5.run(Unknown Source)
	at java.desktop/java.awt.EventQueue$5.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
	at com.inductiveautomation.snap.swing.RibsEventQueue.dispatchEvent(RibsEventQueue.java:99)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)

Ignition v8.1.9 (b2021080617)
Java: Azul Systems, Inc. 11.0.11

I am getting 4 similar errors when i open a window in Designer

You have an expression binding that is returning the string literal “NA” for a property of a numeric type (int/float/double).

You need to track those binding(s) down.