Runtime Error : Error from Companion: Attempt to invoke virtual method 'java.lang.String java.lang.Throwable.toString()' on a null object reference

[Akhil_Muraleedharan]

I had created my app a few days ago and it had worked perfectly, but today when i tried running it, it showed me this error,
Bluetooth_App_ESP32.aia (28.7 KB)
Error from Companion: Attempt to invoke virtual method 'java.lang.String java.lang.Throwable.toString()' on a null object reference

I've uploaded both the .aia file and blocks image, pls provide a solution at the earliest

[Boban]

Did you update the companion to Version 2.66

[Akhil_Muraleedharan]

Yes, I've updated it to 2.66 and my app is running. Thank you.

[Charley_Nelson1]

Sorry, I have no solutions...I am having the exact same issue. It worked last time I was in it, compiled it and have been using the app. It now does not work and I get that same error message.

[TIMAI2]

Well, did you update your companion Charley?

[Charley_Nelson1]

as far as i know, i am up to date. How do I tell for sure though??

[Charley_Nelson1]

I uninstalled what I had, and reinstalled the app from play store, it seems to be better now. I am using the chromebook connection

Is there a comprehensive list of all possible errors whilst retrieving data, writing data, clearing columns/rows, etc to and from a spreadsheet? It would be easier to trap an error if I knew what they could be.

[Gordon_Lu]

When you open the companion app, it should show the version of the companion that you are using. For my phone, it is not up to date; the newest version is 2.66 or 2.66u.

[Charley_Nelson1]

Thanks Gordon. I did check that, it seemed all right. I uninstalled the component and reinstalled it anyway. It works again on the chrome book, and my device version reports the same, 2.66, so I shall play with that and report in if anything is awry.

Cheers to all

Charley