fix: handle `null` case if colOpt is missing

re #1900

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nocodb/src/lib/noco/meta/api/swagger/helpers/getSwaggerColumnMetas.ts

@@ -26,10 +26,12 @@ export default async (
             const colOpt = await c.getColOptions<LinkToAnotherRecordColumn>(
               ncMeta
             );
+            if (colOpt) {
               const relTable = await colOpt.getRelatedTable(ncMeta);
               field.type = undefined;
               field.$ref = `#/components/schemas/${relTable.title}Request`;
             }
+          }
           break;
         case UITypes.Formula:
         case UITypes.Lookup: