diff --git a/internal/provisioners/core.go b/internal/provisioners/core.go
index bac2a37..a8f79fe 100644
--- a/internal/provisioners/core.go
+++ b/internal/provisioners/core.go
@@ -216,7 +216,8 @@ func ProvisionResources(ctx context.Context, state *project.State, provisioners
 			return provisioner.Match(resUid)
 		})
 		if provisionerIndex < 0 {
-			return nil, fmt.Errorf("resource '%s' is not supported by any provisioner", resUid)
+			return nil, fmt.Errorf("resource '%s' is not supported by any provisioner. "+
+				"Please implement a custom resource provisioner to support this resource type.", resUid)
 		}
 		provisioner := provisioners[provisionerIndex]
 		if resState.ProvisionerUri != "" && resState.ProvisionerUri != provisioner.Uri() {