Any bugs that you experience with your Magento 2 installation may be related either to Magento core functionality or to a 3rd party extension.
Before investigating bugs in 3rd party extensions, make sure to take a look at the Magento known issues, as often they are already present there reported by other users.
Often, Magento issues are mistaken with extension or theme bugs. WeltPixel products are following closely the magento architecture and functionality. Make sure to start the investigation with magento known issues before addressing the extension code.
Check Magento known issues: