Hi @Mark72it and welcome to the Wappler Community !!
Many of the server connect errors have been reported and will be fixed in the next update. See https://community.wappler.io/tag/fixed-in-next-update
However, if your issue is not in the list of things to be fixed in the next update, please add to this topic by following the steps here, How to report bugs together with the Wappler debug log