Understanding queries made by Oban Pro

We deployed 1.5-rc3 and we’re getting this error. Any ideas?

error] GenServer {Oban.Registry, {Oban, {:plugin, Oban.Pro.Plugins.DynamicLifeline}}} terminating                                                                                                                                                                       ** (ArgumentError) errors were found at the given arguments:                                                                                                                                                                                                             
                                                                                                                                    
  * 1st argument: not a list                                                                                                        
                                                                  
    (erts 15.0.1) :erlang.length(nil)                                                                                                                                                                                                                                        (oban_pro 1.5.0-rc.3) lib/oban/pro/workflow.ex:1300: Oban.Pro.Workflow.to_rescue_operation/1
    (elixir 1.17.2) lib/enum.ex:1703: Enum."-map/2-lists^map/1-1-"/2                                                                                                                                                                                                     
    (oban_pro 1.5.0-rc.3) lib/oban/pro/workflow.ex:1176: Oban.Pro.Workflow.rescue_workflows/2                                                                                                                                                                            
    (oban_pro 1.5.0-rc.3) lib/oban/pro/plugins/dynamic_lifeline.ex:183: anonymous fn/2 in Oban.Pro.Plugins.DynamicLifeline.handle_info/2