# How To

**What it does:** Highlights material errors in a debug-color view, so you can spot and fix them immediately.

<figure><img src="https://308152196-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoaMX32sQggfi8k6I5PGW%2Fuploads%2FcfsC2az4QUIPulrnKwam%2FPBRCheck_Gallery_01b.jpg?alt=media&#x26;token=fa0f6ca9-6c98-4028-98e3-868e494bf0b7" alt=""><figcaption></figcaption></figure>

{% stepper %}
{% step %}
**Open:** Press Shift+8 or select Scriptable Tools Mode.


{% endstep %}

{% step %}
**Inspect:** Any color ≠ green flags an issue—hover Debug Colors for fix tips.


{% endstep %}

{% step %}
**Edit:** Click to jump into the material and adjust inputs or textures.


{% endstep %}

{% step %}
**Finish:** Press Enter/Esc or click Complete.


{% endstep %}
{% endstepper %}

<figure><img src="https://308152196-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FoaMX32sQggfi8k6I5PGW%2Fuploads%2Fzp9LP5GavTJReb7vjnZh%2FPBRCheck_Gallery_03b.jpg?alt=media&#x26;token=0660e1a7-86b2-42a4-961c-142104374bd6" alt=""><figcaption></figcaption></figure>
