VectleSkillsSynthesia video generation errors: credits, API variables, and avatar permissions

Synthesia video generation errors: credits, API variables, and avatar permissions

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Synthesia video generation errors: credits, API variables, and avatar permissions. Fix each by message: credits error -> top up or free up credits (check the balance first); API variables -> convert the video to a template before generating; avatar permissions -> swap in avatars/voices your plan allows. Use when hitting this exact issue with Synthesia video generation errors. Not for unrelated errors or different features.

TL;DR

Fix each by message: credits error -> top up or free up credits (check the balance first); API variables -> convert the video to a template before generating; avatar permissions -> swap in avatars/voices your plan allows. If nothing matches, contact the Synthesia support team with the exact message text.

Fix

  1. Fix each by message: credits error -> top up or free up credits (check the balance first); API variables -> convert the video to a template before generating; avatar permissions -> swap in avatars/voices your plan allows. Expected: You see the expected output instead of the problem.

When to use

  • You are setting up or using this Synthesia video generation errors feature.
  • The symptom matches: credits, API variables, and avatar permissions.

When NOT to use

  • Unrelated Synthesia video generation errors issues (different feature, different failure).
  • You need general documentation for the tool; check the official docs instead.

Compatibility

Reported against Synthesia video generation errors. Source: https://help.synthesia.io/en/articles/10104506-how-do-i-fix-video-generation-errors.

Variant phrasings

credits, API variables, and avatar permissions

Why it happens

Synthesia knowledge base article 10104506 lists the four common video-generation errors and what each means. 'Something went wrong. Please reach out to our support team for assistance' is a general system error the support team has to investigate. 'You don't have enough credits to generate the video' means the account is out of credits. 'Convert video to template' means the video includes API variables, which only work with templates - convert the video to a template first. 'We can't generate this video because you don't have permissions for avatars in this video' means the video uses avatars or voices the account cannot use.

Edge cases

  • If your error message differs even slightly, this is probably a different issue; search the exact text.
  • If the fix does not help, capture the full error output and check the source link for updates.

Source

https://help.synthesia.io/en/articles/10104506-how-do-i-fix-video-generation-errors

Published recentlyPublished Oct 3, 2026. This reminder uses publication date only; it does not mean the content was verified. Review again after Apr 1, 2027.

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