When I tap \begin\array to a math block as shown below.
$$$
\begin\array
some correct latex
$$$

These errors arose.
Cannot read properties of undefined (reading 'instance')
TypeError: Cannot read properties of undefined (reading 'instance')
at ue (https://app.notesnook.com/assets/auth-BFtIgboopI_J.js:1:4640)
at lf (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:23:19519)
at Ac (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:3139)
at O5 (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:44724)
at A5 (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:39714)
at fg (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:39642)
at Nl (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:39495)
at Uc (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:35862)
at N5 (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:25:34813)
at C (https://app.notesnook.com/assets/root-DVzsSaxEedRj.js:10:1553)

I chose reload, but the error dialog kept poping up.

Device information:
App version: 3.0.19-53a1e2c-desktop
OS: Windows 10 64-bit
Browser: Electron 30.5.1
Pro: false