Unable to save product through product field's HUD

[engram-design]

Description

Double-clicking a HUD from a product field allows you to edit the product. I'm getting an error preventing saving:

"Call to a member function getTimestamp() on boolean"

Full details:

Request URL: http://commerce.local/index.php?p=office/actions/elements/save-element
Request Method: POST
Status Code: 500 Internal Server Error
siteId: 1
elementId: 378
namespace: editor_i73INtpndj
elementId: 378
siteId: 1
editor_i73INtpndj[title]: TEST
editor_i73INtpndj[slug]: test
editor_i73INtpndj[postDate][date]: 13/7/2018
editor_i73INtpndj[postDate][timezone]: Australia/Melbourne
editor_i73INtpndj[postDate][time]: 11:23 am
editor_i73INtpndj[postDate][timezone]: Australia/Melbourne
editor_i73INtpndj[expiryDate][date]: 
editor_i73INtpndj[expiryDate][timezone]: Australia/Melbourne
editor_i73INtpndj[expiryDate][time]: 
editor_i73INtpndj[expiryDate][timezone]: Australia/Melbourne
editor_i73INtpndj[taxCategoryId]: 1
editor_i73INtpndj[shippingCategoryId]: 1
editor_i73INtpndj[availableForPurchase]: 
editor_i73INtpndj[availableForPurchase]: 1
editor_i73INtpndj[freeShipping]: 
editor_i73INtpndj[promotable]: 
editor_i73INtpndj[promotable]: 1
editor_i73INtpndj[fieldLayoutId]: 57
editor_i73INtpndj[variants][379][sku]: TEST
editor_i73INtpndj[variants][379][price]: 0
editor_i73INtpndj[variants][379][hasUnlimitedStock]: 
editor_i73INtpndj[variants][379][hasUnlimitedStock]: 1
editor_i73INtpndj[variants][379][minQty]: 
editor_i73INtpndj[variants][379][maxQty]: 

Additional info

• Commerce version: dev-develop

[nfourtythree]

Hey @engram-design

I have just pushed up a fix for this, which should be included in the next release.

[lukeholder]

Fixed in 6d03be5