i got a new error 522 ( updates outstanding ) , what i hav done is i have made the project on local pc , due to work from home scenario after completing creation of project , i was copying the project from local to server using vpn while copying i was getting error ( due non availabilty of network ) , but after completion of the copying task i have compared all the individual files in server with the files kept in local pc ...looks f9 ( each size is matching ) but still i fail to open the design ,draft,isodraft