Databases/collections error - WDE0053: Internal wixData error: Unknown error.

hello, i’m facing a disaster to my business since this error occurred about 48hours ago. non of my collection is able to get new data no matter what i do.
i’ve submitted a ticket after 2 hours speaking to representatives they told me we’ll get back to you because it’s a complicated problem. i’m loosing money and reputation from paying customers every hour and even worse i’m loosing a big customer because of that issue. please please solve it asap.
:tired_face::disappointed_relieved:
i can’t add items manually getting the above error, or with http api that worked for half a year before getting error 500.
please save my business, i’m devastated
anyone else having same problem?

site url - mis.org.il
attached here one of the situation example (trying to update data throwing this error too, same with adding new one or sending http api)

You will need to keep in contact with Wix Support as it is not a code related issue on your site for which this Corvid Forum deals with.
https://support.wix.com/en/article/live-site-error-error-500-internal-server-error
https://www.wix.com/corvid/forum/community-discussion/error-when-saving-data-to-collection-wde0053
https://www.wix.com/corvid/forum/community-discussion/important-error-wde0053-internal-wixdata-error
https://www.wix.com/corvid/forum/community-discussion/urgent-failed-to-load-initial-data-error-wde0053

Yep im trying anyway exsits, still having this problem already 30hours, 16hours since talk with support and 8 hours since they social network respond… im just devastate.
thanks for the links, i have checked them before, sadly non of them was relevant