Vertigrator

First column header throws error

3

When the first column of the table is set as a header it throws this error: Uncaught TypeError: can't access property "text", a[e][t] is undefined Example table below: `​Wast​e (Tonnes)​Landfilled​Recycled​Composted​Generated​Recovered​2011-12​460,467​159,633​41,298​661,398​30.4%​2012-13​471,921​182,193​41,748​696,861​32.3%​2013-14​398,603​200​​,380​37,642​636,625​37.4%​2014-15​415,443​194,170​39,350​648,964​36.0%`