Better error message image save as fails.
Better error message image save as fails.

Sausageo/jmeter-plugins,ptrd/jmeter-plugins,ptrd/jmeter-plugins,Sausageo/jmeter-plugins,ptrd/jmeter-plugins,Sausageo/jmeter-plugins,ptrd/jmeter-plugins,ptrd/jmeter-plugins,Sausageo/jmeter-plugins,Sausageo/jmeter-plugins