# Error when I press "Again" or "1" only on review cards

**URL:** <https://forums.ankiweb.net/t/error-when-i-press-again-or-1-only-on-review-cards/28583>\
**Category:** Help\
**Created:** [March 19, 2023, 2:21am UTC](https://forums.ankiweb.net/t/error-when-i-press-again-or-1-only-on-review-cards/28583 "2023-03-19T02:21:53Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![amirahaabed](https://avatars.discourse-cdn.com/v4/letter/a/e8c25b/32.png) [@amirahaabed](https://forums.ankiweb.net/u/amirahaabed)\
**Post date:** [March 19, 2023, 2:21am UTC](https://forums.ankiweb.net/t/error-when-i-press-again-or-1-only-on-review-cards/28583/1 "2023-03-19T02:21:54Z")

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For some reason, only when I go through the review cards this error pops up only when I press “1” or “Again”

Anki 2.1.56 (07fd88dd) Python 3.9.15 Qt 6.4.0 PyQt 6.4.0 Platform: Windows-10-10.0.22621 Flags: frz=True ao=False sv=2 Add-ons, last update check: 2023-03-18 00:19:26 Caught exception: Traceback (most recent call last): File “aqt.reviewer”, line 498, in File “aqt.reviewer”, line 456, in \_answerCard File “anki.scheduler.v2”, line 458, in answerCard File “anki.scheduler.v2”, line 487, in \_answerCard File “anki.scheduler.v2”, line 840, in \_answerRevCard File “anki.scheduler.v2”, line 857, in \_rescheduleLapse File “anki.scheduler.v2”, line 589, in \_moveToFirstStep File “anki.scheduler.v2”, line 582, in \_updateRevIvlOnFail File “anki.scheduler.v2”, line 870, in \_lapseIvl TypeError: unsupported operand type(s) for \*: ‘int’ and ‘NoneType’

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**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:** [March 19, 2023, 2:59am UTC](https://forums.ankiweb.net/t/error-when-i-press-again-or-1-only-on-review-cards/28583/2 "2023-03-19T02:59:30Z")

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Please update to the latest version.

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**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\
**Post date:** [April 18, 2023, 3:00am UTC](https://forums.ankiweb.net/t/error-when-i-press-again-or-1-only-on-review-cards/28583/3 "2023-04-18T03:00:09Z")

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