Hello guys i am new to vaadin. i am trying to add Highcharts addon in my project but maven is giving me this error
Failed to collect dependencies at at.downdrown.vaadinaddons:highchartsapi:jar:2.1.3:
Failed to read artifact descriptor for at.downdrown.vaadinaddons:highchartsapi:jar:2.1.3:
Failure to find at.downdrown.vaadinaddons:highchartsapi-root:pom:2.1.3 in http://maven.vaadin.com/vaadin-addons was cached in the local repository, resolution will not be reattempted until the update interval of vaadin-addons has elapsed or updates are forced
please help me what should i do
