I’ve tried having a custom study session using pre-made decks. I input the maximum number of cards to the maximum (99999). After I select the tags, a window popped up:
Error
An error occurred. Please use Tools > Check Database to see if that fixes the problem.
If problems persist, please report the problem on our support site. Please copy and paste the information below into your report.
Anki 2.1.38 (355e4cd5) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2
Platform: Windows 10
Flags: frz=True ao=False sv=2
Add-ons, last update check: 2021-02-18 14:08:23
Caught exception:
Traceback (most recent call last):
File “aqt\customstudy.py”, line 193, in accept
File “anki\schedv2.py”, line 1068, in rebuild_filtered_deck
File “anki\rsbackend_gen.py”, line 171, in rebuild_filtered_deck
File “anki\rsbackend.py”, line 256, in _run_command
anki.rsbackend.DBError: DBError { info: “SqliteFailure(Error { code: Unknown, extended_code: 1 }, Some(“Expression tree is too large (maximum depth 1000)”))”, kind: Other }
Does anyone know how to fix this? thanks!