fix: if invalid json then skip

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

packages/nocodb/src/db/BaseModelSqlv2.ts

@@ -2517,11 +2517,15 @@ class BaseModelSqlv2 {
             await col.getColOptions<LinkToAnotherRecordColumn>();
 
           // parse data if it's JSON string
-          const nestedData =
+          let nestedData;
+          try {
+            nestedData =
               typeof data[col.title] === 'string'
                 ? JSON.parse(data[col.title])
                 : data[col.title];
-
+          } catch {
+            continue
+          }
           switch (colOptions.type) {
             case RelationTypes.BELONGS_TO:
               {