[BUG]: Invalid 'messages[68].tool_calls[0].id': string too long. Expected a string with maximum length 40, but got a string with length 46 instead. #12653

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1. mutageneral

   added

   bugSomething isn't workingSomething isn't working

   on Feb 8, 2026
2. github-actions

   assigned

   rekram1-node

   on Feb 8, 2026
3. github-actions commented on Feb 8, 2026

   

   github-actionsBot

   on Feb 8, 2026 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • [BUG] tools[21].function.name': string too long. Expected a string with maximum length 64, but got a string with length 65 instead. #3523: '[BUG] tools[21].function.name': string too long. Expected a string with maximum length 64... - Similar tool schema validation error related to string length limits
   • Bug Report: MiniMax Tool Call Compatibility Issue (Windows Only) #11091: Bug Report: MiniMax Tool Call Compatibility Issue (Windows Only) - Tool call format and ID validation issues
   • OpenCode v1.0.25 Hangs Indefinitely with LM Studio + Qwen Models Due to Empty tool_calls Array #4255: OpenCode v1.0.25 Hangs Indefinitely with LM Studio + Qwen Models Due to Empty tool_calls Array - Tool call handling edge cases

   Feel free to ignore if this specific case (switching between big pickle and gpt-4o mini) addresses a unique scenario.
4. CalvinTsangv1

   added a commit that references this issue on Feb 8, 2026

   Fix Apply on Invalid 'messages[68].tool_calls[0].id': string too long…

   ...

   2bca144
5. mutageneral

   changed the title [-]Invalid 'messages[68].tool_calls[0].id': string too long. Expected a string with maximum length 40, but got a string with length 46 instead.[/-] [+][BUG]: Invalid 'messages[68].tool_calls[0].id': string too long. Expected a string with maximum length 40, but got a string with length 46 instead.[/+] on Feb 8, 2026
6. dailyherold commented on Mar 15, 2026

   

   dailyherold

   on Mar 15, 2026

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   I'm hitting this issue when using OpenAI models via Portkey provider, but not when using the OpenAI provider directly in opencode. Haven't tested other gateways yet.
7. thdxr

   removed

   bugSomething isn't workingSomething isn't working

   on May 3, 2026
8. github-actions commented on Jul 3, 2026

   

   github-actionsBot

   on Jul 3, 2026 – with GitHub Actions

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   To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.
9. github-actions

   closed this as not plannedon Jul 3, 2026