# Run into this error when reviewing a filtered deck

**URL:** <https://forums.ankiweb.net/t/run-into-this-error-when-reviewing-a-filtered-deck/1660>\
**Category:** Help\
**Created:** [July 31, 2020, 4:19pm UTC](https://forums.ankiweb.net/t/run-into-this-error-when-reviewing-a-filtered-deck/1660 "2020-07-31T16:19:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Medcard](https://avatars.discourse-cdn.com/v4/letter/m/e274bd/32.png) [@Medcard](https://forums.ankiweb.net/u/Medcard)\
**Post date:** [July 31, 2020, 4:19pm UTC](https://forums.ankiweb.net/t/run-into-this-error-when-reviewing-a-filtered-deck/1660/1 "2020-07-31T16:19:11Z")

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Hello,

I’m running into this (see below for log) error when attempting to review this filtered deck:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/0454e9c4a339cb569aec26de36313fd64db9439e.png)  
It doesn’t seem to appear when reviewing my main deck. I’ve attempted to disable all add-ons, to no avail. I’ve also tried tools–\>check database, and it does not seem to solve the issue. Any assistance is appreciated!

**Error**  
An error occurred. Please start Anki while holding down the shift key, which will temporarily disable the add-ons you have installed.  
If the issue only occurs when add-ons are enabled, please use the Tools \> Add-ons menu item to disable some add-ons and restart Anki, repeating until you discover the add-on that is causing the problem.  
When you’ve discovered the add-on that is causing the problem, please report the issue on the add-on support site.  
Debug info:  
Anki 2.1.26 (70784154) Python 3.8.0 Qt 5.14.1 PyQt 5.14.1  
Platform: Windows 10  
Flags: frz=True ao=True sv=1  
Add-ons, last update check: 2020-07-30 18:03:24

Caught exception:  
Traceback (most recent call last):  
File “aqt\webview.py”, line 34, in cmd  
File “aqt\webview.py”, line 114, in \_onCmd  
File “aqt\webview.py”, line 518, in \_onBridgeCmd  
File “\<C:\Program Files\Anki\decorator.pyc:decorator-gen-10\>”, line 2, in \_linkHandler  
File “lib\site-packages\anki\hooks.py”, line 638, in decorator\_wrapper  
File “lib\site-packages\anki\hooks.py”, line 635, in repl  
File “C:\Users\User\AppData\Roaming\Anki2\addons21\review\_heatmap\links.py”, line 74, in heatmapLinkHandler  
return None if not \_old else \_old(self, url)  
File “aqt\overview.py”, line 67, in \_linkHandler  
File “aqt\main.py”, line 632, in moveToState  
File “aqt\main.py”, line 655, in \_reviewState  
File “aqt\reviewer.py”, line 65, in show  
File “aqt\reviewer.py”, line 110, in nextCard  
File “lib\site-packages\anki\schedv2.py”, line 55, in getCard  
File “lib\site-packages\anki\sched.py”, line 230, in \_getCard  
File “lib\site-packages\anki\schedv2.py”, line 938, in \_getRevCard  
File “lib\site-packages\anki\collection.py”, line 287, in getCard  
File “lib\site-packages\anki\cards.py”, line 44, in **init**  
File “lib\site-packages\anki\cards.py”, line 50, in load  
File “lib\site-packages\anki\rsbackend.py”, line 500, in get\_card  
File “lib\site-packages\anki\rsbackend.py”, line 257, in \_run\_command  
anki.rsbackend.DBError: DBError { info: “InvalidColumnType(13, “odue”, Real)”, kind: Other }

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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:** [August 1, 2020, 12:09am UTC](https://forums.ankiweb.net/t/run-into-this-error-when-reviewing-a-filtered-deck/1660/2 "2020-08-01T00:09:08Z")

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Please update to the latest Anki version, then try the check database again.

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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, 5:38am UTC](https://forums.ankiweb.net/t/run-into-this-error-when-reviewing-a-filtered-deck/1660/3 "2023-05-01T05:38:14Z")

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Closed on May 1, 2023, 5:38am UTC