Null Pointer Exception

[matty45]

Uncaught Exception! java.lang.NullPointerException at org.python.core.Py.dispatchToChecker(Py.java:2490) at org.python.core.Py.isInstance(Py.java:2347) at org.python.core.builtin.isinstance(builtin.java:712) at org.python.core.Py.exceptionToString(Py.java:1372) at org.python.core.Py.exceptionToBytes(Py.java:1339) at org.python.core.Py.displayException(Py.java:1316) at org.python.core.PyException.printStackTrace(PyException.java:89) at docking.DockingErrorDisplay.buildStackTrace(DockingErrorDisplay.java:146) at docking.DockingErrorDisplay.createErrorDialog(DockingErrorDisplay.java:114) at docking.DockingErrorDisplay.doShowDialog(DockingErrorDisplay.java:98) at docking.DockingErrorDisplay.lambda$showDialog$0(DockingErrorDisplay.java:91) at docking.DockingErrorDisplay$$Lambda$444/0000000000000000.run(Unknown Source) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) at java.base/java.security.AccessController.doPrivileged(AccessController.java:704) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

Script fails to run on ghidra 9.1.2