Error 500: Internal Server Error

URI
/unidades/informacionUnidad/investigacionsocial.umsa.bo
Class
org.hibernate.TypeMismatchException
Message
Provided id of the wrong type for class esid.Unidades. Expected: class java.lang.Long, got class java.lang.String

Trace

    Line | Method
->>  472 | informacionUnidad in esid.UnidadesController
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|   1145 | runWorker         in java.util.concurrent.ThreadPoolExecutor
|    615 | run . . . . . . . in java.util.concurrent.ThreadPoolExecutor$Worker
^    745 | run               in java.lang.Thread