diff --git a/models/common/planner.go b/models/common/planner.go
index 7db0c75..fac93c3 100644
--- a/models/common/planner.go
+++ b/models/common/planner.go
@@ -33,7 +33,7 @@ func GetPlannerLongestTime(end *time.Time, planned map[tools.DataType][]pricing.
 			continue
 		}
 		newS := priced.GetLocationEnd()
-		if longestTime < newS.Sub(*end).Seconds() {
+		if end == nil && longestTime < newS.Sub(*end).Seconds() {
 			longestTime = newS.Sub(*end).Seconds()
 		}
 		// get the nearest start from start var
diff --git a/models/workflow_execution/workflow_scheduler.go b/models/workflow_execution/workflow_scheduler.go
index 7269644..4c380fb 100644
--- a/models/workflow_execution/workflow_scheduler.go
+++ b/models/workflow_execution/workflow_scheduler.go
@@ -58,6 +58,7 @@ func (ws *WorkflowSchedule) CheckBooking(wfID string, request *tools.APIRequest)
 	}
 	wf := res.(*workflow.Workflow)
 	longest, priceds, wf, err := wf.Planify(ws.Start, ws.End, request)
+	fmt.Println("longest", longest, err)
 	if err != nil {
 		return false, wf, []*WorkflowExecutions{}, err
 	}
@@ -67,6 +68,7 @@ func (ws *WorkflowSchedule) CheckBooking(wfID string, request *tools.APIRequest)
 		ws.Warning = "The workflow may be too long to be executed in the given time frame, we will try to book it anyway\n"
 	}
 	execs, err := ws.getExecutions(wf)
+	fmt.Println("execs", execs, err)
 	if err != nil {
 		return false, wf, []*WorkflowExecutions{}, err
 	}
@@ -75,6 +77,7 @@ func (ws *WorkflowSchedule) CheckBooking(wfID string, request *tools.APIRequest)
 		for _, booking := range bookings {
 			_, err := (&peer.Peer{}).LaunchPeerExecution(booking.DestPeerID, "",
 				tools.BOOKING, tools.POSTCHECK, booking.Serialize(booking), request.Caller)
+			fmt.Println("booking", booking, err)
 			if err != nil {
 				return false, wf, execs, err
 			}
@@ -97,7 +100,7 @@ func (ws *WorkflowSchedule) Schedules(wfID string, request *tools.APIRequest) (*
 	}
 	ok, wf, executions, err := ws.CheckBooking(wfID, request)
 	if !ok || err != nil {
-		return nil, []*WorkflowExecutions{}, errors.New("could not book the workflow" + fmt.Sprintf("%v", err))
+		return nil, []*WorkflowExecutions{}, errors.New("could not book the workflow : " + fmt.Sprintf("%v", err))
 	}
 
 	ws.Workflow = wf