Cancel a Fixed Asset Sale or Disposal > Fields under the Asset Sale/Disposal tab of the Asset Record cannot be edited

This has been logged under Enhancement 237902 - Fixed Assets > Asset Sale/Disposal tab > have the ability to edit the fields on this tab.

The fields under the Asset Sale/Disposal tab of the Fixed Asset Record will only be overridden if another Asset Disposal (Fixed Assets > Transactions > Asset Disposal) will be performed for the Asset.