Next.js / Dexie: Failed to execute 'add' on 'IDBObjectStore': Evalu…he object store's key path did not yield a value

Question

When attempting to save using Dexie i encounter the error below, this error strictly occurs in production with no errors occurring when i attempt to save data. Any help much appreciated!

the error:

"Failed to execute 'add' on 'IDBObjectStore': Evaluating the object store's key path did not yield a value.
 DataError: Failed to execute 'add' on 'IDBObjectStore': Evaluating the object store's key path did not yield a value."

db setup

db.version(1).stores({
  people: '++id, name',  
});

Add

const newId = await db.people.add({
                name: userName,
                blocks,
                lists,
});