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ai Invalid Prompt Error

GPTClaudeGemini··▲ 1,066 copies·updated 2026-07-14

ai-invalid-prompt-error.prompt

---
title: AI_InvalidPromptError
description: Learn how to fix AI_InvalidPromptError
---

# AI_InvalidPromptError

This error occurs when the prompt provided is invalid.

## Potential Causes

### UI Messages

You are passing a `UIMessage[]` as messages into e.g. `streamText`.

You need to first convert them to a `ModelMessage[]` using `convertToModelMessages()`.

when to use it

Community prompt sourced from the open-source GitHub repo iKislay/copium (Apache-2.0). A "ai Invalid Prompt Error" style prompt — adapt the placeholders and specifics to your task. Imported as-is and not independently retested here, so check the output before relying on it.