To recreate:

1) Create a new scenario and select "empty default set"
2) Go to Execute Analysis and select Create Scenario Earthquake
3) Click on create scenario earthquake in the workflow, analysis page fails to render with:

11478 - [ERROR] [edu.illinois.ncsa.ergo.core.analysis.ui.builders.GraphNodeDetailsBuilder]: Can not change selection
java.lang.NullPointerException
at edu.illinois.ncsa.ergo.eq.hazard.validators.DipAngleValidator.checkIsValid(DipAngleValidator.java:33)
at edu.illinois.ncsa.ergo.core.analysis.types.ParameterNodeValidator.isValid(ParameterNodeValidator.java:73)
at edu.illinois.ncsa.ergo.core.analysis.ui.formvalidators.ParamNodeValidatorAdapter.checkValid(ParamNodeValidatorAdapter.java:56)
at ncsa.eclipse.core.forms.fields.BaseFormValidator.isValid(BaseFormValidator.java:56)
at ncsa.eclipse.core.forms.fields.BaseFormField.validate(BaseFormField.java:87)
at ncsa.eclipse.core.forms.fields.InputFormGroup.validate(InputFormGroup.java:80)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.AnalysisDescriptionBuilder.createTabContents(AnalysisDescriptionBuilder.java:325)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.AnalysisDescriptionBuilder.createTab(AnalysisDescriptionBuilder.java:207)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.AnalysisDescriptionBuilder.createTabs(AnalysisDescriptionBuilder.java:157)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.AnalysisDescriptionBuilder.setSelectedNode(AnalysisDescriptionBuilder.java:187)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.GraphNodeDetailsBuilder.handleNewSelectedNode(GraphNodeDetailsBuilder.java:228)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.GraphNodeDetailsBuilder.updateViewWith(GraphNodeDetailsBuilder.java:207)
at edu.illinois.ncsa.ergo.core.analysis.ui.builders.GraphNodeDetailsBuilder$MySelectionChangedListener.selectionChanged(GraphNodeDetailsBuilder.java:185)
at org.eclipse.zest.core.viewers.GraphViewer$1.widgetSelected(GraphViewer.java:92)
at org.eclipse.zest.core.widgets.Graph.notifySelectionListeners(Graph.java:811)
at org.eclipse.zest.core.widgets.Graph.fireWidgetSelectedEvent(Graph.java:805)
at org.eclipse.zest.core.widgets.Graph.access$4(Graph.java:801)