# Calibration Errors

{% content-ref url="calibration-errors/camera-extrinsics-optimization-step-3-failed" %}
[camera-extrinsics-optimization-step-3-failed](https://docs.theiamarkerless.com/troubleshooting/error-messages/calibration-errors/camera-extrinsics-optimization-step-3-failed)
{% endcontent-ref %}

{% content-ref url="calibration-errors/unable-to-detect-chessboard-in-overlapping-frames-for-all-cameras" %}
[unable-to-detect-chessboard-in-overlapping-frames-for-all-cameras](https://docs.theiamarkerless.com/troubleshooting/error-messages/calibration-errors/unable-to-detect-chessboard-in-overlapping-frames-for-all-cameras)
{% endcontent-ref %}

{% content-ref url="calibration-errors/too-few-chessboards-detected-less-than-25" %}
[too-few-chessboards-detected-less-than-25](https://docs.theiamarkerless.com/troubleshooting/error-messages/calibration-errors/too-few-chessboards-detected-less-than-25)
{% endcontent-ref %}

{% content-ref url="calibration-errors/field-of-view-coverage-insufficient-less-than-60" %}
[field-of-view-coverage-insufficient-less-than-60](https://docs.theiamarkerless.com/troubleshooting/error-messages/calibration-errors/field-of-view-coverage-insufficient-less-than-60)
{% endcontent-ref %}