diff --git a/ui/src/components/ContentMapper/index.tsx b/ui/src/components/ContentMapper/index.tsx
index 55f7d49f1..479775989 100644
--- a/ui/src/components/ContentMapper/index.tsx
+++ b/ui/src/components/ContentMapper/index.tsx
@@ -265,7 +265,7 @@ const ContentMapper = forwardRef(({handleStepChange}: contentMapperProps, ref: R
     label: contentTypeMapped?.[otherCmsTitle] ?? `Select ${isContentType ? 'Content Type' : 'Global Field'} from Existing Stack`,
     value: contentTypeMapped?.[otherCmsTitle] ?? `Select ${isContentType ? 'Content Type' : 'Global Field'} from Existing Stack`,
   });
-  const [otherCmsUid, setOtherCmsUid] = useState<string>(contentTypes[0]?.otherCmsUid);
+  const [otherCmsUid, setOtherCmsUid] = useState<string>(contentTypes?.[0]?.otherCmsUid);
 
   const [active, setActive] = useState<number | null>(0);
 
@@ -1521,7 +1521,7 @@ const ContentMapper = forwardRef(({handleStepChange}: contentMapperProps, ref: R
           isDisabled: true
         }
         : (OptionsForRow?.length === 0 || (OptionsForRow?.length > 0 && OptionsForRow?.every((item)=>item?.isDisabled) 
-          && (!existingField[data?.uid] || ! updatedExstingField[data?.uid] ) ) || (OptionsForRow?.length > 0 && data?.contentstackFieldType === "dropdown"))
+          && (!existingField[data?.uid]?.label || ! updatedExstingField[data?.uid]?.label ) ) || (OptionsForRow?.length > 0 && data?.contentstackFieldType === "dropdown"))
           ? {
             label: Fields[data?.contentstackFieldType]?.label ?? 'No Option',
             value: Fields[data?.contentstackFieldType]?.label ?? 'No Option',
@@ -2423,4 +2423,4 @@ const ContentMapper = forwardRef(({handleStepChange}: contentMapperProps, ref: R
 });
 
 ContentMapper.displayName = 'ContentMapper';
-export default ContentMapper;
\ No newline at end of file
+export default ContentMapper;