Error when migrating from Legacy Blazor WASM into Blazor 8 ServerInteractive

blazor.web.js:1 [2024-09-23T10:57:23.330Z] Error: Connection disconnected with error 'Error: Server returned an error on close: Connection closed with an error.'.
log @ blazor.web.js:1
_stopConnection @ blazor.web.js:1
features.reconnect.transport.onclose @ blazor.web.js:1
_close @ blazor.web.js:1
stop @ blazor.web.js:1
_stopInternal @ blazor.web.js:1
await in _stopInternal
stop @ blazor.web.js:1
_processIncomingData @ blazor.web.js:1
connection.onreceive @ blazor.web.js:1
i.onmessage @ blazor.web.js:1
blazor.web.js:1 Uncaught (in promise) Error: Server returned an error on close: Connection closed with an error.
    at fn._processIncomingData (blazor.web.js:1:60779)
    at connection.onreceive (blazor.web.js:1:54030)
    at i.onmessage (blazor.web.js:1:82175)