Every time I'd like to save my changes, the 'Photo Shuffler' tab opens and shows 2 times the error: "'0.00' is not a number, only numbers can be accepted for this field" (localized in Dutch for me).
Each time I have to manually delete the decimal numbers (.00) to save my work.
This Validation error is triggered here: https://github.com/silverstripe/silverstripe-framework/blob/ff1b0e3a0882075d639147c1ee040ae206432390/forms/NumericField.php