diff --git a/backend/go-app/go.mod b/backend/go-app/go.mod
index 4895bf22..659f6364 100644
--- a/backend/go-app/go.mod
+++ b/backend/go-app/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/gorilla/mux v1.8.1
 	github.com/h2non/filetype v1.1.3
 	github.com/satori/go.uuid v1.2.0
-	github.com/shuffle/shuffle-shared v0.6.31
+	github.com/shuffle/shuffle-shared v0.6.40
 	golang.org/x/crypto v0.22.0
 	google.golang.org/api v0.176.1
 	google.golang.org/grpc v1.63.2
@@ -76,6 +76,7 @@ require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/googleapis/gax-go/v2 v2.12.3 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -103,6 +104,7 @@ require (
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/skeema/knownhosts v1.2.2 // indirect
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/src-d/gcfg v1.4.0 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	go.opencensus.io v0.24.0 // indirect
diff --git a/backend/go-app/walkoff.go b/backend/go-app/walkoff.go
index 10df25b2..4caac5bc 100755
--- a/backend/go-app/walkoff.go
+++ b/backend/go-app/walkoff.go
@@ -578,6 +578,7 @@ func handleGetStreamResults(resp http.ResponseWriter, request *http.Request) {
 		if len(actionResult.ExecutionId) > 0 {
 			log.Printf("[WARNING][%s] Failed getting execution (streamresult): %s", actionResult.ExecutionId, err)
 		}
+
 		resp.WriteHeader(401)
 		resp.Write([]byte(fmt.Sprintf(`{"success": false, "reason": "Bad authorization key or execution_id might not exist."}`)))
 		return
@@ -1056,16 +1057,17 @@ func handleExecution(id string, workflow shuffle.Workflow, request *http.Request
 		}
 	}
 
-	workflowExecution, execInfo, _, err := shuffle.PrepareWorkflowExecution(ctx, workflow, request, int64(maxExecutionDepth))
-	if err != nil {
-		err = shuffle.SetWorkflowExecution(ctx, workflowExecution, true)
+	workflowExecution, execInfo, _, workflowExecErr := shuffle.PrepareWorkflowExecution(ctx, workflow, request, int64(maxExecutionDepth))
+	if workflowExecErr != nil {
+		err := shuffle.SetWorkflowExecution(ctx, workflowExecution, true)
 		if err != nil {
 			log.Printf("[ERROR] Failed setting workflow execution during init (2): %s", err)
 		}
 
-		if strings.Contains(fmt.Sprintf("%s", err), "User Input") {
+		if strings.Contains(fmt.Sprintf("%s", workflowExecErr), "User Input") {
 			// Special for user input callbacks
-			return workflowExecution, fmt.Sprintf("%s", err), nil
+			log.Printf("[INFO] User input callback: %s", workflowExecErr)
+			// return workflowExecution, fmt.Sprintf("%s", err), nil
 		} else {
 			log.Printf("[ERROR] Failed in prepareExecution: '%s'", err)
 			return shuffle.WorkflowExecution{}, fmt.Sprintf("Failed starting workflow: %s", err), err
@@ -1073,7 +1075,7 @@ func handleExecution(id string, workflow shuffle.Workflow, request *http.Request
 	}
 
 
-	err = imageCheckBuilder(execInfo.ImageNames)
+	err := imageCheckBuilder(execInfo.ImageNames)
 	if err != nil {
 		log.Printf("[ERROR] Failed building the required images from %#v: %s", execInfo.ImageNames, err)
 		return shuffle.WorkflowExecution{}, "Failed unmarshal during execution", err