print to find bug

models/peer/peer_cache.go

@@ -125,13 +125,13 @@ func (p *PeerCache) exec(url string, method tools.METHOD, body map[string]interf
 	}
 	var m map[string]interface{}
 	json.Unmarshal(b, &m)
-	fmt.Println("response", err)
 	if err != nil {
+		fmt.Println("response", err)
 		return err
 	}
 
 	if e, ok := m["error"]; !ok && e != "" { // Check if there is an error in the response
 		return errors.New(fmt.Sprintf("%v", m["error"]))
 	}
-	return err
+	return nil
 }

models/workflow/workflow_mongo_accessor.go

@@ -144,8 +144,8 @@ func (wfa *workflowMongoAccessor) book(id string, realData *Workflow, execs []*w
 						ResourceID: dc_id, // set the datacenter id "WHERE"
 						Executions: execs, // set the executions to book "WHAT"
 					}).Serialize(), wfa.Caller)
-				fmt.Println("BOOKING", err)
 				if err != nil {
+					fmt.Println("BOOKING", err)
 					return err
 				}
 			}