Cannot read property 'creation' of undefined
TypeError: Cannot read property 'creation' of undefined
at /home/martin.vitek/Projekty/RK/ok1kvk.cz/sitegin/transformer-tags.js:29:34
at Array.sort (native)
at generateTagPages (/home/martin.vitek/Projekty/RK/ok1kvk.cz/sitegin/transformer-tags.js:28:16)
at /home/martin.vitek/Projekty/RK/ok1kvk.cz/sitegin/transformer-tags.js:81:7
at Array.forEach (native)
at tr.pre (/home/martin.vitek/Projekty/RK/ok1kvk.cz/sitegin/transformer-tags.js:80:10)
at null.<anonymous> (/home/martin.vitek/Projekty/RK/ok1kvk.cz/sitegin/sequencer.js:16:13)
at emitOne (events.js:77:13)
at emit (events.js:169:7)
at sequencer.emit (/home/martin.vitek/Projekty/RK/ok1kvk.cz/index.js:24:11)