Preview runtime errors 

You may see these system errors when testing your assistant in [Preview](https://cloud.ibm.com/docs/watson-assistant?topic=watson-assistant-review).

Some of these errors correspond to advanced development tasks.



 Message                                                                                                                                                                                                      Description                                                                                                       

 No actions to interpret                                                                                                                                                                                      Assistant has no content.                                                                                         
 No action triggered                                                                                                                                                                                          Error when an action is not found, for example, when one action specifies another action that isn't defined yet.  
 Conversation ended. Maximum of %d actions visited.                                                                                                                                                           Limit is 20 per conversation.                                                                                     
 Maximum number of step iterations for a single action                                                                                                                                                        When a particular step is reached more than 50 times within an action.                                            
 Error when updating output in [%s]. The output is [%s]                                                                                                                                                       When there was an error in updating the output, for example, when using a SpEL expression.                        
 Error in context update                                                                                                                                                                                      Error when setting a variable to an invalid ASEL expression.                                                      
 Error when updating context with context of step %s. Step context is [%s].                                                                                                                                   Error when a runtime exception occurs while setting a context, for example, division by zero.                     
 Multiple actions have the same title: %s                                                                                                                                                                     Actions need to have unique names.                                                                                
 Action %s is invalid because step order includes a cycle. Evaluation could result in an infinite loop. Check "next_step" property of each step in the action.                                                Step could get caught in an infinite loop and not end.                                                            
 Expression evaluation error inside condition of %s. The syntax is valid, but cannot be evaluated. Condition defaulted to false. Check that objects in expression are not null or out of bounds. Error: %s    When an unexpected error occurs while checking a condition, for example, division by 0.                           
 Provided expression [%s] cannot be evaluated as a number                                                                                                                                                     ASEL error message                                                                                                
 Provided expression [%s] cannot be evaluated as Boolean                                                                                                                                                      ASEL error message                                                                                                
 Provided expression [%s] cannot be evaluated as a string                                                                                                                                                     ASEL error message                                                                                                
 Provided expression [%s] cannot be evaluated                                                                                                                                                                 ASEL error message                                                                                                
 Actions array contains an element that is not a JsonObject. Cannot build an internal representation.                                                                                                         Advanced programming message                                                                                      
 Actions array contains elements with the same id (attribute 'action'). Cannot build an internal representation.                                                                                              Advanced programming message                                                                                      
 No target step %s found for jump-to resolver                                                                                                                                                                 Advanced programming message                                                                                      
 For resolver of type jump_to the target step cannot be the same as the source step.                                                                                                                          Advanced programming message