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openclaw - 💡(How to fix) Fix [Bug]: image ⁠ tool fails in 2026.4.15 — broken ⁠ ajv ⁠ import path in ⁠ @mariozechner/pi-ai

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image ⁠ tool fails on all models due to broken ajv import path in @mariozechner/pi-ai

Error Message

  1. Observe the error in tool output

Root Cause

image ⁠ tool fails on all models due to broken ajv import path in @mariozechner/pi-ai

Code Example

Cannot find package '.../openclaw/node_modules/ajv/index.js' imported from
.../openclaw/node_modules/@mariozechner/pi-ai/dist/utils/validation.js
Did you mean to import "ajv/dist/ajv.js"?
RAW_BUFFERClick to expand / collapse

Bug type

Regression (worked before, now fails)

Beta release blocker

No

Summary

image ⁠ tool fails on all models due to broken ajv import path in @mariozechner/pi-ai

Steps to reproduce

  1. Install OpenClaw 2026.4.15
  2. Use the image tool (send any image to the assistant)
  3. Observe the error in tool output

Expected behavior

Image is analyzed successfully by the configured model.

Actual behavior

Tool fails immediately with: ⁠ Cannot find package '.../ajv/index.js' imported from .../pi-ai/dist/utils/validation.js — Did you mean to import "ajv/dist/ajv.js"? 

OpenClaw version

2026.4.15 (041266a)

Operating system

macOS 15.4

Install method

pnpm global

Model

Any (both default and Claude fallback fail identically)

Provider / routing chain

openclaw -> default model router

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Cannot find package '.../openclaw/node_modules/ajv/index.js' imported from
.../openclaw/node_modules/@mariozechner/pi-ai/dist/utils/validation.js
Did you mean to import "ajv/dist/ajv.js"?

Impact and severity

Affected: All users on 2026.4.15 using the image tool Severity: Blocks workflow (image analysis completely non-functional) Frequency: Always (100% reproducible) Consequence: Cannot analyze any images sent to the assistant

Additional information

No response

extent analysis

TL;DR

The issue can likely be resolved by fixing the broken ajv import path in the @mariozechner/pi-ai package.

Guidance

  • Verify the import path of ajv in @mariozechner/pi-ai/dist/utils/validation.js to ensure it matches the actual location of the ajv package.
  • Check the package.json of @mariozechner/pi-ai to see if the ajv dependency is correctly specified and if the version is compatible with the expected import path.
  • Consider updating @mariozechner/pi-ai to a version where the import path issue is fixed, if available.
  • If the issue persists, try manually adjusting the import path in @mariozechner/pi-ai/dist/utils/validation.js to point to the correct location of ajv, as hinted by the error message ("Did you mean to import 'ajv/dist/ajv.js'?").

Example

No code snippet is provided as the issue is related to a specific package import path, and any changes should be made with caution and based on the actual package structure.

Notes

The solution may depend on the specific version of @mariozechner/pi-ai and ajv being used. It's also possible that the issue is not solely with the import path but with how the packages are installed or managed by pnpm.

Recommendation

Apply workaround: Manually adjust the import path in @mariozechner/pi-ai/dist/utils/validation.js to point to the correct location of ajv, as this is a direct fix for the reported error and does not require waiting for an update to @mariozechner/pi-ai.

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FAQ

Expected behavior

Image is analyzed successfully by the configured model.

#tokenizer error#prompt formatting#chain error#conversation history#tool integration

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openclaw - 💡(How to fix) Fix [Bug]: image ⁠ tool fails in 2026.4.15 — broken ⁠ ajv ⁠ import path in ⁠ @mariozechner/pi-ai