bad error message

The user is getting a UndeclaredThrowableException, though the reason actually was:

][project,10024][reporter,mb][security,null][votes,0][assignee,js][priority,4] (SQL Exception while setting value: (Datengr�e gr�er als max. Gr�e fr diesen Typ: 6951))
at org.ofbiz.core.entity.GenericDAO.singleInsert(GenericDAO.java:123)
at org.ofbiz.core.entity.GenericDAO.insert(GenericDAO.java:88)
at org.ofbiz.core.entity.GenericHelperDAO.create(GenericHelperDAO.java:63)
at org.ofbiz.core.entity.GenericDelegator.create(GenericDelegator.java:470)
at org.ofbiz.core.entity.GenericDelegator.create(GenericDelegator.java:450)
at org.ofbiz.core.entity.GenericValue.create(GenericValue.java:77)
at com.atlassian.core.ofbiz.util.EntityUtils.createValue(EntityUtils.java:61)
at com.atlassian.jira.workflow.function.issue.IssueCreateFunction.execute(IssueCreateFunction.java:92)
at com.opensymphony.workflow.AbstractWorkflow.executeFunction(AbstractWorkflow.java:1083)
at com.opensymphony.workflow.AbstractWorkflow.transitionWorkflow(AbstractWorkflow.java:1321)
at com.opensymphony.workflow.AbstractWorkflow.initialize(AbstractWorkflow.java:541)
at com.atlassian.jira.workflow.OSWorkflowManager.createIssue(OSWorkflowManager.java:74)
at com.atlassian.jira.issue.managers.DefaultIssueManager.createIssue(DefaultIssueManager.java:162)
at com.atlassian.jira.issue.managers.DefaultIssueManager.createIssue(DefaultIssueManager.java:130)
at com.atlassian.jira.issue.managers.CachingIssueManager.createIssue(CachingIssueManager.java:68)
at sun.reflect.GeneratedMethodAccessor328.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.atlassian.util.profiling.object.ObjectProfiler.profiledInvoke(ObjectProfiler.java:68)
at com.atlassian.jira.config.component.AppPropertiesComponentAdaptor$DelegatingInvocationHandler.invoke(AppPropertiesComponentAdaptor.java:61)
at $Proxy37.createIssue(Unknown Source)
at com.atlassian.jira.web.action.issue.CreateIssueDetails.doExecute(CreateIssueDetails.java:315)