conductor-oss/conductor · error · IllegalArgumentException

Skill package not found: {}

Error message

Skill package not found: {}

What it means

Error "Skill package not found: {}" thrown in conductor-oss/conductor.

Source

Thrown at agentspan/src/main/java/org/conductoross/conductor/ai/agentspan/SkillPackageStoreAdapter.java:54

    }

    @Override
    public String storageType() {
        return STORAGE_TYPE;
    }

    @Override
    public StoredSkillPackage store(String name, String version, String checksum, byte[] bytes) {
        String handle = HANDLE_PREFIX + checksum;
        delegate.put(handle, bytes);
        return new StoredSkillPackage(handle, STORAGE_TYPE, bytes.length);
    }

    @Override
    public byte[] read(String handle) {
        byte[] bytes = delegate.get(handle);
        if (bytes == null) {
            throw new IllegalArgumentException("Skill package not found: " + handle);
        }
        return bytes;
    }

    @Override
    public boolean exists(String handle) {
        return delegate.exists(handle);
    }

    @Override
    public void delete(String handle) {
        delegate.delete(handle);
    }
}

View on GitHub (pinned to cf7c3e4a8a)

Solutions

1. Register the skill package with the given name in the SkillPackageStore before referencing it.
2. Check for typos in the skill package name and that the correct store backend is configured.
3. List registered packages via the skill registry to confirm the expected name exists.

When it happens

Trigger: Thrown at agentspan/src/main/java/org/conductoross/conductor/ai/agentspan/SkillPackageStoreAdapter.java:54 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of conductor-oss/conductor@cf7c3e4a8a (2026-08-14). Data as JSON: /api/errors/9bdc81bf3ad9e885. Report an issue: GitHub.