Attention something went wrong with processing the default view and we have restored the filter to its original size

Customer Listing: Attention Something Went Wrong

Migration Recently we migrated a shop from magento1 to magento2 and this is the error that showed up after client tried to access products in the backend. We got an instant phone call, the website went live the day before today products where not accessible through the backend-office. To make sure that everything was ok …