[GH-ISSUE #10] SillyTavern reports HTTP 500: Internal Server Error when trying to narrate #3

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opened 2026-10-15 17:59:57 +00:00 by bsakaguchi · 3 comments
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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)

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)
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Owner

@bumprat commented on GitHub (Feb 26, 2026):

The issue is that the older msedge-tts version has been deprecated. To fix it:

  1. Update the dependency in package.json:
    "msedge-tts": "^2.0.2" → "msedge-tts": "^2.0.4"

  2. Run npm install to apply the update

  3. Run npm run build to rebuild the project

  4. Restart SillyTavern server

Done — everything should work again.

<!-- gh-comment-id:3963782134 --> @bumprat commented on GitHub (Feb 26, 2026): The issue is that the older msedge-tts version has been deprecated. To fix it: 1. Update the dependency in `package.json`: "msedge-tts": "^2.0.2" → "msedge-tts": "^2.0.4" 2. Run `npm install` to apply the update 3. Run `npm run build` to rebuild the project 4. Restart SillyTavern server Done — everything should work again.
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Owner

@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.

<!-- gh-comment-id:3965716527 --> @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.
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Owner

@snake2025 commented on GitHub (Feb 26, 2026):

Thank You!

<!-- gh-comment-id:3966372929 --> @snake2025 commented on GitHub (Feb 26, 2026): Thank You!
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SillyTavern/SillyTavern-EdgeTTS-Plugin#3
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