Product in stock (Available quantity) is displayed as "This product is unavailable".

There is no such problem when tested locally (WebSite X5 Pro 2019.2.7), but online...

Tested on server with PHP versions: 5.6, 7.0 and 7.1

The same is for all products that are "Available quantity". Products that are listed as "Approximate quantity" can be ordered.

Here's the code from x5cart.js file about this product:

‘99epxtp2': {
'id': '99epxtp2',
'id_user': 'Статичен миксер (2:1)',
'digital_delivery': false,
'physical_delivery': true,
'name': 'Статичен миксер (2:1)',
'category': '3gmq7b39',
'description': 'Смесва компоне............. 50ml пълнител!',
'price': 3.6,
'staticAvailValue': 'available',
'availabilityType': 'dynamic',
'offlineAvailableItems': 51,
'quantityDiscounts': {
'10': 0.1,
'20': 0.15 },
'images': ['images/mixer.png',
'images/mixer_mix.png'],
'vattype': 'none', // included|excluded|none '
vat': 0,
'weight': 0.005

wesite: www.epoxy-doming.bg