java.lang.IllegalArgumentException

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    • java.lang.IllegalArgumentException: Cannot format given Object as a Number at java.text.NumberFormat.format(NumberFormat.java:202) at java.text.Format.format(Format.java:129) at SterlingField.focusLost(SterlingField.java:41) at java.awt.AWTEventMulticaster.focusLost(AWTEventMulticaster.java:171) at java.awt.Component.processFocusEvent(Component.java:3087) at javax.swing.JComponent.processFocusEvent(JComponent.java:1500) at java.awt.Component.processEvent(Component.java:2990) at java.awt.Container.processEvent(Container.java:990)

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