Failed to execute 'stop' on 'AudioScheduledSourceNode': cannot call stop without calling start first.

[kulek1]

Is there an existing issue for this?

• I have searched the existing issues

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• I have read CONTRIBUTING.md and, if any AI agent helped draft this issue, AGENTS.md.

AI authorship

Written by a human, no AI assistance

Current Behavior

The playback can throw:

48153.671943d8.js:2 Uncaught InvalidStateError: Failed to execute 'stop' on 'AudioScheduledSourceNode': cannot call stop without calling start first.

An error occurs on slower devices when the user rapidly presses play/pause.

Expected Behavior

No errors in the console

Steps To Reproduce

1. Go to https://alphatab.net/docs/playground/ (1.8.4)
2. Open DevTools, go to Performance tab and set CPU: 20x slowdown
3. Select random note from the playground and press play and pause very quickly
4. Error is thrown in the console

Link to jsFiddle, CodePen, Project

No response

Version and Environment

1.8.4

Platform

Web

Anything else?

No response