diff --git a/models/peer/peer_cache.go b/models/peer/peer_cache.go
index 372748e..2eb15af 100644
--- a/models/peer/peer_cache.go
+++ b/models/peer/peer_cache.go
@@ -45,14 +45,20 @@ func (p *PeerCache) checkPeerStatus(peerID string, caller *tools.HTTPCaller) boo
 		url = strings.ReplaceAll(url, "127.0.0.1", utils.PEER.API())
 	}
 	methods := caller.URLS[utils.PEER.String()]
+	fmt.Println("checkPeerStatus AFT 3", url, methods)
+
 	if methods == nil {
 		return false
 	}
 	meth := methods[tools.POST]
+	fmt.Println("checkPeerStatus AFT 4", meth)
+
 	if meth == "" {
 		return false
 	}
 	state := api.CheckRemotePeer(url + meth)
+	fmt.Println("checkPeerStatus AFT 4", state)
+
 	return state != tools.DEAD
 }
 
@@ -73,6 +79,7 @@ func (p *PeerCache) LaunchPeerExecution(peerID string, isMySelf bool, dataID str
 	var err error
 	b := []byte{}
 	methods := caller.URLS[dt.String()]
+	fmt.Println("LaunchPeerExecution AFT 2", methods)
 	if _, ok := methods[method]; !ok {
 		return nil, errors.New("no path found")
 	}
@@ -108,7 +115,9 @@ func (p *PeerCache) LaunchPeerExecution(peerID string, isMySelf bool, dataID str
 		}
 		return pexec, err
 	}
-	if _, ok := m["error"]; !ok {
+	fmt.Println("LaunchPeerExecution AFT 3", m)
+
+	if e, ok := m["error"]; !ok && e != "" {
 		return nil, errors.New(fmt.Sprintf("%v", m["error"]))
 	}
 	return nil, err
diff --git a/models/workflow/workflow.go b/models/workflow/workflow.go
index ff53758..47603e5 100644
--- a/models/workflow/workflow.go
+++ b/models/workflow/workflow.go
@@ -64,6 +64,7 @@ func (wfa *Workflow) CheckBooking(subPath string, caller *tools.HTTPCaller) (boo
 			if code != 200 {
 				return false, err
 			}
+			subPath = strings.ReplaceAll(subPath, ":datacenter_id", fmt.Sprintf("%v", dc_id))
 			subPath = strings.ReplaceAll(subPath, ":start_date", wfa.getFormat(wfa.Schedule.Start))
 			subPath = strings.ReplaceAll(subPath, ":end_date", wfa.getFormat(&e))
 			_, err = p.(*peer.Peer).LaunchPeerExecution(peerID, "", p.(*peer.Peer).Url+subPath, utils.BOOKING, tools.GET, nil, caller)