In an action-mailer, exceptions in log while doing some basic edits ...

I get these exceptions in the log repeatedly:

[  47107]  ERROR - currency.PrioritizedFutureTask - JetBrains RubyMine 3.2.4  Build #RM-107.612
[  47107]  ERROR - currency.PrioritizedFutureTask - JDK: 1.6.0_29-ea
[  47107]  ERROR - currency.PrioritizedFutureTask - VM: Java HotSpot(TM) 64-Bit Server VM
[  47198]  ERROR - currency.PrioritizedFutureTask - Vendor: Sun Microsystems Inc.
[  47198]  ERROR - currency.PrioritizedFutureTask - OS: Linux
[  47198]  ERROR - currency.PrioritizedFutureTask - Last Action: GotoDeclaration
[  47198]  ERROR - currency.PrioritizedFutureTask - Original exception:  
org.jetbrains.plugins.ruby.support.JRubyException: (NoMethodError) undefined method `views_folder' for #<Java::OrgJetbrainsPluginsRubyRailsModel::RailsMailer:0x54a53d46>
     at org.jetbrains.plugins.ruby.ruby.codeInsight.paramDefs.ParamDefReference.inspect(ParamDefReference.java:93)
     at org.jetbrains.plugins.ruby.rails.inspections.paramdefs.ParamDefResolveVisitor.a(ParamDefResolveVisitor.java:81)

RM 3.2.4, Ubuntu 10.10, Sun's JDK 1.6.0_29 (Java HotSpot(TM) 64-Bit Server VM (build 20.4-b01, mixed mode))