# Fatal error, reporting the message here

**URL:** <https://forums.ankiweb.net/t/fatal-error-reporting-the-message-here/19180>\
**Category:** Help\
**Created:** [April 18, 2022, 1:08am UTC](https://forums.ankiweb.net/t/fatal-error-reporting-the-message-here/19180 "2022-04-18T01:08:51Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![mathildenm](https://avatars.discourse-cdn.com/v4/letter/m/ea666f/32.png) [@mathildenm](https://forums.ankiweb.net/u/mathildenm)\
**Post date:** [April 18, 2022, 1:08am UTC](https://forums.ankiweb.net/t/fatal-error-reporting-the-message-here/19180/1 "2022-04-18T01:08:51Z")

</div>

A fatal error occurred, and Anki must close. Please report this message on the forums.

Anki 2.1.49 (dc80804a) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2  
Platform: Windows 10  
Flags: frz=True ao=True sv=?  
Add-ons, last update check: 2022-04-12 08:28:45

Caught exception:  
Traceback (most recent call last):  
File “aqt\taskman.py”, line 101, in _on\_closures\_pending  
File “aqt\taskman.py”, line 71, in   
File "aqt\operations\_init_.py", line 214, in wrapped\_done  
File “concurrent\futures\_base.py”, line 432, in result  
File “concurrent\futures\_base.py”, line 388, in _get\_result  
File “concurrent\futures\thread.py”, line 57, in run  
File "aqt\operations\_init.py", line 199, in wrapped\_op  
File “aqt\editor.py”, line 544, in   
File “anki\notes.py”, line 191, in fields\_check  
File “anki\_backend\generated.py”, line 355, in note\_fields\_check  
File "anki\_backend\_init_.py", line 126, in \_run\_command  
pyo3\_runtime.PanicException: called `Result::unwrap()` on an `Err` value: PoisonError { … }

Traceback (most recent call last):  
File “aqt\browser\table\model.py”, line 75, in _fetch\_row\_from\_backend  
File “anki\collection.py”, line 691, in browser\_row\_for\_id  
File “anki\_backend\generated.py”, line 792, in browser\_row\_for\_id  
File "anki\_backend\_init_.py", line 126, in \_run\_command  
pyo3\_runtime.PanicException: called `Result::unwrap()` on an `Err` value: PoisonError { … }

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<div class="post-metadata">

**Author:** ![dae](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/dae/32/65_2.png) [@dae](https://forums.ankiweb.net/u/dae)\
**Post date:** [April 18, 2022, 6:58am UTC](https://forums.ankiweb.net/t/fatal-error-reporting-the-message-here/19180/2 "2022-04-18T06:58:52Z")

</div>

Please follow the steps on [When problems occur - Frequently Asked Questions](https://faqs.ankiweb.net/when-problems-occur.html)

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<div class="post-metadata">

**Author:** ![tebs.amelia](https://avatars.discourse-cdn.com/v4/letter/t/ecc23a/32.png) [@tebs.amelia](https://forums.ankiweb.net/u/tebs.amelia)\
**Post date:** [April 18, 2022, 10:36am UTC](https://forums.ankiweb.net/t/fatal-error-reporting-the-message-here/19180/3 "2022-04-18T10:36:18Z")

</div>

A fatal error occurred, and Anki must close. Please report this message on the forums.  
Anki 2.1.46 (94913ec2) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2  
Platform: Windows 10  
Flags: frz=True ao=False sv=?  
Add-ons, last update check: 2022-04-18 10:07:57

Caught exception:  
Traceback (most recent call last):  
File “aqt\taskman.py”, line 101, in _on\_closures\_pending  
File “aqt\taskman.py”, line 71, in   
File “aqt\taskman.py”, line 90, in wrapped\_done  
File "aqt\operations\_init_.py", line 114, in wrapped\_done  
File “aqt\main.py”, line 1093, in update\_undo\_actions  
File “aqt\main.py”, line 1084, in undo\_actions\_info  
File “anki\collection.py”, line 847, in undo\_status  
File “anki\collection.py”, line 929, in _check\_backend\_undo\_status  
File “anki\_backend\generated.py”, line 888, in get\_undo\_status  
File "anki\_backend\_init_.py", line 126, in \_run\_command  
pyo3\_runtime.PanicException: called `Result::unwrap()` on an `Err` value: PoisonError { … }

Caught exception:  
Traceback (most recent call last):  
File “aqt\taskman.py”, line 101, in _on\_closures\_pending  
File “aqt\taskman.py”, line 71, in   
File “aqt\taskman.py”, line 90, in wrapped\_done  
File "aqt\operations\_init_.py", line 107, in wrapped\_done  
File “concurrent\futures\_base.py”, line 432, in result  
File “concurrent\futures\_base.py”, line 388, in _get\_result  
File “concurrent\futures\thread.py”, line 57, in run  
File "aqt\operations\_init.py", line 92, in wrapped\_op  
File “aqt\operations\note.py”, line 22, in   
File “anki\collection.py”, line 371, in add\_note  
File “anki\_backend\generated.py”, line 303, in add\_note  
File "anki\_backend\_init_.py", line 126, in \_run\_command  
pyo3\_runtime.PanicException: assertion failed: note.id.0 == 0

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\
**Post date:** [May 1, 2023, 4:24am UTC](https://forums.ankiweb.net/t/fatal-error-reporting-the-message-here/19180/4 "2023-05-01T04:24:56Z")

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