# Google sheets data source undefined **URL:** \ **Category:** Issues / Bugs\ **Created:** [May 16, 2024, 8:49am UTC](https://community.thunkable.com/t/google-sheets-data-source-undefined/3006739 "2024-05-16T08:49:39Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![matt\_conroy](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/matt_conroy/32/150843_2.png) [@matt\_conroy](https://community.thunkable.com/u/matt_conroy)\ **Post date:** [May 17, 2024, 8:42pm UTC](https://community.thunkable.com/t/google-sheets-data-source-undefined/3006739/6 "2024-05-17T20:42:18Z")
Not specifically, but there would be ways to essentially debug the blocks so you could visually see when the data has finished loading. > [@Debugging in Thunkable X (Video)](https://community.thunkable.com/t/debugging-in-thunkable-x-video/849471): > > I thought I’d share a process I use for debugging my projects. It involves creating a function that can be used over and over throughout the code blocks in order to help determine where things are going wrong, whether or not certain blocks are ever triggering, and what the values of several variables are. Here’s a screenshot of what I’ve set up: The real power comes from being able to quickly change the delay (and even set it to 0 seconds) or just remo… --- _[View the full topic](https://community.thunkable.com/t/google-sheets-data-source-undefined/3006739)._