Monitoring Graphs Broken



  • When i try to view a traffic graph for 1 Month, I get a javascript console error:

    
    Uncaught TypeError: Cannot read property 'length' of undefined(…) in d3.min.js line 1
    
    t	@	d3.min.js:1
    (anonymous function)	@	status_monitoring.php:993
    arguments.length.each.function.n.textContent	@	d3.min.js:3
    (anonymous function)	@	d3.min.js:3
    Y	@	d3.min.js:1
    Co.each	@	d3.min.js:3
    Co.text	@	d3.min.js:3
    (anonymous function)	@	d3.min.js:5
    (anonymous function)	@	d3.min.js:5
    Y	@	d3.min.js:1
    Yl.each	@	d3.min.js:5
    n	@	d3.min.js:5
    Co.call	@	d3.min.js:3
    (anonymous function)	@	nv.d3.js:1626
    (anonymous function)	@	d3.min.js:5
    Y	@	d3.min.js:1
    Yl.each	@	d3.min.js:5
    chart	@	nv.d3.js:1610
    Co.call	@	d3.min.js:3
    (anonymous function)	@	nv.d3.js:9570
    (anonymous function)	@	d3.min.js:5
    Y	@	d3.min.js:1
    Yl.each	@	d3.min.js:5
    chart	@	nv.d3.js:9377
    Co.call	@	d3.min.js:3
    (anonymous function)	@	status_monitoring.php:1142
    renderLoop	@	nv.d3.js:99
    
    

    …after which no graph can be displayed until I reload the page.