I want to save image to my server. I have done intro http://www.highcharts.com/docs/export-module/export-module-overview. When i used da svg(xml), system saved. but i used data json ,i can't save. error: org.apache.batik.transcoder.TranscoderException: null Enclosed Exception: Content is not allowed in prolog. at org.apache.batik.transcoder.XM......
how can you help me. (i used php)