Class MacroError

source code

              object --+                
                       |                
exceptions.BaseException --+            
                           |            
        exceptions.Exception --+        
                               |        
              core.TracBaseError --+    
                                   |    
                      core.TracError --+
                                       |
                                      MacroError

Exception raised on incorrect macro usage.

The exception is trapped by the wiki formatter and the message is rendered in a pre tag, wrapped in a div with class system-message.