diff --git a/lstV2/server/services/ocp/controller/materials/mainMaterial.ts b/lstV2/server/services/ocp/controller/materials/mainMaterial.ts
index 7a5a909..2ecc889 100644
--- a/lstV2/server/services/ocp/controller/materials/mainMaterial.ts
+++ b/lstV2/server/services/ocp/controller/materials/mainMaterial.ts
@@ -24,7 +24,10 @@ export const isMainMatStaged = async (lot: any) => {
 	// just in case we encounter an issue with the machines
 	if (machine.length === 0) {
 		createLog("error", "mainMaterial", "ocp", "Invalid machine passed over.");
-		return false;
+		return {
+			success: false,
+			message: "Invalid machine passed over.",
+		};
 	}
 	// we have a check on ksc side to ignore the tetra machine for now as its not updating in 2.0
 	if (!machine[0].StagingMainMaterialMandatory) {