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Uncaught TypeError: Cannot read properties of undefined (reading 'sanLongCastling')

At the very beginning of any rapid game against an opponent, I am unable to make the first move with either color; the game start timer runs out, and the server terminates the match. The F12 console shows the following error:

/HlAIj6b7Xqiw - Uncaught TypeError: Cannot read properties of undefined (reading 'sanLongCastling') - (https://lichess1.org/assets/compiled/lib.QQFN6VMJ.js:1:2212)
TypeError: Cannot read properties of undefined (reading 'sanLongCastling')
at L (lib.QQFN6VMJ.js:1:2212)
at $ (lib.QQFN6VMJ.js:1:2317)
at I.sendMove (round.DSXARN7G.js:1:26236)
at I.onUserMove (round.DSXARN7G.js:1:22181)
at lib.HXRBDJNZ.js:1:2870

lib.QQFN6VMJ.js:1 Uncaught TypeError: Cannot read properties of undefined (reading 'sanLongCastling')
at L (lib.QQFN6VMJ.js:1:2212)
at $ (lib.QQFN6VMJ.js:1:2317)
at I.sendMove (round.DSXARN7G.js:1:26236)
at I.onUserMove (round.DSXARN7G.js:1:22181)
at lib.HXRBDJNZ.js:1:2870

At the very beginning of any rapid game against an opponent, I am unable to make the first move with either color; the game start timer runs out, and the server terminates the match. The F12 console shows the following error: /HlAIj6b7Xqiw - Uncaught TypeError: Cannot read properties of undefined (reading 'sanLongCastling') - (https://lichess1.org/assets/compiled/lib.QQFN6VMJ.js:1:2212) TypeError: Cannot read properties of undefined (reading 'sanLongCastling') at L (lib.QQFN6VMJ.js:1:2212) at $ (lib.QQFN6VMJ.js:1:2317) at I.sendMove (round.DSXARN7G.js:1:26236) at I.onUserMove (round.DSXARN7G.js:1:22181) at lib.HXRBDJNZ.js:1:2870 lib.QQFN6VMJ.js:1 Uncaught TypeError: Cannot read properties of undefined (reading 'sanLongCastling') at L (lib.QQFN6VMJ.js:1:2212) at $ (lib.QQFN6VMJ.js:1:2317) at I.sendMove (round.DSXARN7G.js:1:26236) at I.onUserMove (round.DSXARN7G.js:1:22181) at lib.HXRBDJNZ.js:1:2870

Clear site data, or toggle speech on/off in the account menu.

Clear site data, or toggle speech on/off in the account menu.

The issue was indeed caused by the audio setting being changed to "Speech." I reverted the audio setting to "Standard", and the error disappeared.

The issue was indeed caused by the audio setting being changed to "Speech." I reverted the audio setting to "Standard", and the error disappeared.

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