# Problem fiducial registration wizard

**URL:** <https://discourse.slicer.org/t/problem-fiducial-registration-wizard/46875>\
**Category:** Support\
**Created:** [April 30, 2026, 7:48am UTC](https://discourse.slicer.org/t/problem-fiducial-registration-wizard/46875 "2026-04-30T07:48:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Zaky\_Alfarizi](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/zaky_alfarizi/32/82224_2.png) [@Zaky\_Alfarizi](https://discourse.slicer.org/u/Zaky_Alfarizi)\
**Post date:** [April 30, 2026, 7:48am UTC](https://discourse.slicer.org/t/problem-fiducial-registration-wizard/46875/1 "2026-04-30T07:48:04Z")

</div>

Check this out. What happen to my system? why the S in RAS have number ±600? i have doin pivot calibration with rmse 0.3 stylus to stylus tip. whats wrong? so its make the transform matrix IS have number ±1300, please explain to me for the solution. Thanks

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/2/f/2f6e8b5db4f338705b56538092ef291fd7935d80.jpeg)

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/e/7/e70fa94f9639596db2fd071b2c6503f644fccfe7.png)