Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

java.lang.NullPointerException: no model found by name sub1.ID2	at ru.runa.wfe.graph.history.model.DiagramModel.getNodeNotNull(DiagramModel.java:58)