flag to find error

app/Http/Controllers/Contractor/WorkOrderController.php

@@ -237,6 +237,7 @@ class WorkOrderController extends Controller
 
 				}
 
+				info('contractor242' . $w->installer_id);
 				if($w->installer_id != ''){
 					$installer = Staff::with('StaffDetail')->where('_id',$w->installer_id)->first();
 					$installer = $installer->StaffDetail->name;

app/Http/Controllers/CustomerService/WorkOrderController.php

@@ -277,6 +277,7 @@ class WorkOrderController extends Controller
 				$product = Product::where('speed',$form->PackageDetail->name)->where('formT',$w->Form->type_application)->first();
 				$company = Company::where('_id',$w->contractor_id)->first();
 
+				info('cs282 ' . $w->installer_id);
 				if($w->installer_id != ''){
 					$installer = Staff::with('StaffDetail')->where('_id',$w->installer_id)->first();
 					$installer = $installer->StaffDetail->name;
@@ -494,6 +495,7 @@ class WorkOrderController extends Controller
 				$product = Product::where('speed',$form->PackageDetail->name)->where('formT',$w->Form->type_application)->first();
 				$company = Company::where('_id',$w->contractor_id)->first();
 
+				info('cs499 ' . $w->installer_id);
 				if($w->installer_id != ''){
 					$installer = Staff::with('StaffDetail')->where('_id',$w->installer_id)->first();
 					$installer = $installer->StaffDetail->name;