Unexpected Application Error!

I have worked on my app for 3-4days to complete it and suddenly this thing happened
I don’t know what to do.
I am unable to access to BLOCK Section and Database Section in My project

HERE is the Error :

Unexpected Application Error!
Cannot read properties of null (reading 'type')
TypeError: Cannot read properties of null (reading 'type')
    at https://x.thunkable.com/assets/index-CnOhYXYe.js:2422:117288
    at Array.filter (<anonymous>)
    at ip.generateDataSourceToolbox (https://x.thunkable.com/assets/index-CnOhYXYe.js:2422:117247)
    at ip.render (https://x.thunkable.com/assets/index-CnOhYXYe.js:2422:117969)
    at jj (https://x.thunkable.com/assets/index-kdzP9SQT.js:41:6833)
    at hj (https://x.thunkable.com/assets/index-kdzP9SQT.js:41:6599)
    at Vk (https://x.thunkable.com/assets/index-kdzP9SQT.js:41:49562)
    at Uk (https://x.thunkable.com/assets/index-kdzP9SQT.js:41:43849)
    at Tk (https://x.thunkable.com/assets/index-kdzP9SQT.js:41:43772)
    at Ik (https://x.thunkable.com/assets/index-kdzP9SQT.js:41:43612)

Hi, i had the exact same problem yesterday and contacted support. I am not sure how the fault happened, but the solution was to reconnect my database (in my case google sheets). After removing the databases from the app and adding them again, i was able to access blocks again.

Not saying this is the as your problem, but it solved it for me.

I had to connect a lot of things again in blocks though, which took hours!

Good luck, hope you find a solution!

Regards

How to disconnect when they are not allowing me to open database where all the spreadsheet and offline based sheets are. Is there is any way from google docs i can do that ?

Blocks and Data section cause that error

@saqibbalochabc228r5q If the issue happened after needing to reconnect a database, you will want to remove the data sources previously added in Data Sources tab on x.thunkable.com

You can do this by clicking on the trash can icon next to each data source. Once you do this, you should be able to go back into your project and not get the Application error. You can then re-add the data source.

Already fixed but thanks for your help.

What did you do to fix it? This may be beneficial for others to know.