diff --git a/app/Filament/Imports/WorkGroupMasterImporter.php b/app/Filament/Imports/WorkGroupMasterImporter.php
index c46ff79..3c38a96 100644
--- a/app/Filament/Imports/WorkGroupMasterImporter.php
+++ b/app/Filament/Imports/WorkGroupMasterImporter.php
@@ -66,7 +66,7 @@ class WorkGroupMasterImporter extends Importer
             $warnMsg[] = "Plant not found";
         }
 
-        if (Str::length($this->data['name']) < 0) {  //|| !ctype_alnum($this->data['description'])
+        if (Str::length($this->data['name']) <= 0) {  //|| !ctype_alnum($this->data['description'])
             $warnMsg[] = "Invalid name found";
         }
 
@@ -80,7 +80,7 @@ class WorkGroupMasterImporter extends Importer
             $warnMsg[] = "Description should be less than 44 digits.";
         }
 
-        if (Str::length($this->data['operation_number']) < 0) {
+        if (Str::length($this->data['operation_number']) <= 0) {
             $warnMsg[] = "Invalid operation number found";
         }