# How to track down ComponentModel Errors?

**URL:** <https://forum.inductiveautomation.com/t/how-to-track-down-componentmodel-errors/56101>\
**Category:** Ignition\
**Created:** [February 14, 2022, 12:38pm UTC](https://forum.inductiveautomation.com/t/how-to-track-down-componentmodel-errors/56101 "2022-02-14T12:38:03Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![victordcq](https://avatars.discourse-cdn.com/v4/letter/v/f6c823/32.png) [@victordcq](https://forum.inductiveautomation.com/u/victordcq)\
**Post date:** [February 14, 2022, 1:01pm UTC](https://forum.inductiveautomation.com/t/how-to-track-down-componentmodel-errors/56101/4 "2022-02-14T13:01:06Z")

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i had something kinda similar, but for me it was just a warning, so i just ignored it xd  
Maybe it contains something usefull, i was not able to remove the warnings in my code tho xd just from the logs

> [@Warning: Element can not be null](https://forum.inductiveautomation.com/t/warning-element-can-not-be-null/53417/2):
>
> Are you passing anything you manually encoded (in our quality encoding format) from the frontend to the backend? This is happening when the backend receives some JSON content and tries to ‘inflate’ it into a property tree structure with associated quality values.

this is the function that seems to be triggering your error. So it seems its trying to set an object while this function only support primitives (int, string, bool... not array/object)

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/9/4/945ce283af4435c2861ee1bd0d56ca5915399f94.png)

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