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[GH-ISSUE #10] SillyTavern reports HTTP 500: Internal Server Error when trying to narrate #3
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SillyTavern/SillyTavern-EdgeTTS-Plugin#3
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Originally created by @snake2025 on GitHub (Feb 12, 2026).
Original GitHub issue: https://github.com/SillyTavern/SillyTavern-EdgeTTS-Plugin/issues/10
Originally assigned to: @Cohee1207, @Copilot on GitHub.
SillyTavern UI reports:
Error: HTTP 500: Internal Server Error
TTS Generation Failed
Internal Server Error
Command window displays:
[SillyTavern-EdgeTTS-Plugin] Request failed Connect Error: {}
This has been happening for several weeks when trying to narrate
Microsoft Edge Version 144.0.3719.115 (Official build) (64-bit)
@bumprat commented on GitHub (Feb 26, 2026):
The issue is that the older msedge-tts version has been deprecated. To fix it:
Update the dependency in
package.json:"msedge-tts": "^2.0.2" → "msedge-tts": "^2.0.4"
Run
npm installto apply the updateRun
npm run buildto rebuild the projectRestart SillyTavern server
Done — everything should work again.
@Copilot commented on GitHub (Feb 26, 2026):
The agent encountered an error and was unable to start working on this issue: The service is temporarily unavailable. Please try again later.
@snake2025 commented on GitHub (Feb 26, 2026):
Thank You!