java.lang.NullPointerException: This exception has no message.

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This exception has no message.
via Oracle Community by 3004, 1 year ago
This exception has no message.
java.lang.NullPointerException	at com.techtrader.modules.jdo.runtime.StateManagerImpl.replacingBooleanField(StateManagerImpl.java:824)	at com.ysoft.jdo.book.restaurant.MenuItem.jdoReplaceField(MenuItem.java)	at com.techtrader.modules.jdo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java:1127)	at com.techtrader.modules.jdo.runtime.PCleanState.refresh(PCleanState.java:29)	at com.techtrader.modules.jdo.runtime.StateManagerImpl.refresh(StateManagerImpl.java:333)