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via Atlassian JIRA by Jeroen Wyseur, 2 years ago
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com.atlassian.plugin.util.Assertions$NullArgumentException: customField should not be null!	at com.atlassian.plugin.util.Assertions.notNull(	at com.atlassian.greenhopper.upgrade.task013.CreateNewRankCustomFieldsFromOldTask.getNewlyInitialisedDefaultRankField(	at com.atlassian.greenhopper.upgrade.task013.CreateNewRankCustomFieldsFromOldTask._doTask(	at com.atlassian.greenhopper.upgrade.task013.CreateNewRankCustomFieldsFromOldTask._doTask(	at	at	at com.atlassian.greenhopper.upgrade.task013.GhUpgradeTask013.performUpgrade(	at com.atlassian.greenhopper.upgrade.AbstractGhUpgradeTask.doUpgrade(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(