https://errorvault.dev/tags/prompt-engineering/Recent content in Prompt-Engineering on ErrorVault — Developer Error Code DictionaryHugoen-usTue, 14 Apr 2026 02:24:49 +0800https://errorvault.dev/openclaw/openclaw-clw-prompt-invalid-invalid-prompt/Tue, 14 Apr 2026 02:24:49 +0800https://errorvault.dev/openclaw/openclaw-clw-prompt-invalid-invalid-prompt/<h2 id="1-symptoms">1. Symptoms</h2> <p>The <code>clw-prompt-invalid</code> error occurs in OpenClaw, an open-source CLI tool for interacting with large language models (LLMs) via standardized prompting interfaces. Users typically encounter this when running the <code>clw prompt</code> or <code>clw chat</code> commands with malformed input.</p> <p>Common symptoms include:</p> <ul> <li>Command-line execution halts immediately with a structured error output.</li> <li>No LLM response is generated; the tool exits with code 22 (invalid argument).</li> <li>Logging shows prompt parsing failures.</li> </ul> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span>$ clw prompt &#34;Hello, world!&#34; </span></span><span style="display:flex;"><span>clw-prompt-invalid: Prompt is empty or contains invalid characters. Ensure prompt is non-empty and properly escaped. </span></span><span style="display:flex;"><span>Error code: 22 </span></span><span style="display:flex;"><span>Usage: clw prompt &lt;PROMPT&gt; [OPTIONS] </span></span></code></pre></div><p>In interactive mode:</p>