I tried generating a transcript following the instructions and got the following error in the Chrome (v 138.0) console. Maybe this helps debug it.
Exact error message:
sql-wasm.js:89 Uncaught (in promise) Error: no such column: ZFIRSTTIMEAVAILABLE
at e.handleError (sql-wasm.js:89:254)
at e.exec (sql-wasm.js:86:501)
at HTMLBodyElement.<anonymous> (podcasts/:304:32)
e.handleError @ sql-wasm.js:89
e.exec @ sql-wasm.js:86
(anonymous) @ podcasts/:304

I tried generating a transcript following the instructions and got the following error in the Chrome (v 138.0) console. Maybe this helps debug it.
Exact error message: