added simple error message for the browser
added simple error message for the browser

lrytz/core,pixelipo/server,bluelml/core,andreas-p/nextcloud-server,sharidas/core,IljaN/core,lrytz/core,endsguy/server,sharidas/core,sharidas/core,jbicha/server,nextcloud/server,endsguy/server,jbicha/server,jbicha/server,xx621998xx/server,whitekiba/server,andreas-p/nextcloud-server,pmattern/server,pollopolea/core,cernbox/core,cernbox/core,andreas-p/nextcloud-server,cernbox/core,sharidas/core,endsguy/server,andreas-p/nextcloud-server,Ardinis/server,michaelletzgus/nextcloud-server,jbicha/server,lrytz/core,IljaN/core,jbicha/server,xx621998xx/server,owncloud/core,andreas-p/nextcloud-server,pixelipo/server,pollopolea/core,owncloud/core,owncloud/core,lrytz/core,michaelletzgus/nextcloud-server,nextcloud/server,michaelletzgus/nextcloud-server,Ardinis/server,xx621998xx/server,cernbox/core,pixelipo/server,pollopolea/core,nextcloud/server,nextcloud/server,IljaN/core,bluelml/core,IljaN/core,pmattern/server,endsguy/server,bluelml/core,phil-davis/core,bluelml/core,michaelletzgus/nextcloud-server,xx621998xx/server,owncloud/core,whitekiba/server,IljaN/core,pixelipo/server,lrytz/core,whitekiba/server,Ardinis/server,Ardinis/server,pmattern/server,Ardinis/server,pmattern/server,pmattern/server,bluelml/core,whitekiba/server,owncloud/core,pixelipo/server,sharidas/core,pollopolea/core,endsguy/server,xx621998xx/server,cernbox/core,whitekiba/server,pollopolea/core