date:      2017-05-20T20:19:06+00:00
tool:      pageviews
language:  es
chart:     bar
url:       https://tools.wmflabs.org/pageviews/?project=es.wikinews.org&platform=all-access&agent=user&start=2017-01-22&end=2017-05-19&pages=Categor%C3%ADa:Francia
trace:     TypeError: Cannot read property 'diff' of null
    at e.value (https://tools.wmflabs.org/pageviews/application.js:17:8124)
    at e.value (https://tools.wmflabs.org/pageviews/application.js:16:15614)
    at Object.<anonymous> (https://tools.wmflabs.org/pageviews/application.js:15:28063)
    at Object.<anonymous> (https://tools.wmflabs.org/pageviews/application.js:2:4833)
    at u (https://tools.wmflabs.org/pageviews/application.js:2:3465)
    at Object.fireWith [as resolveWith] (https://tools.wmflabs.org/pageviews/application.js:2:4277)
    at Object.o.(anonymous function) [as resolve] (https://tools.wmflabs.org/pageviews/application.js:2:5257)
    at Object.<anonymous> (https://tools.wmflabs.org/pageviews/application.js:17:4923)
    at u (https://tools.wmflabs.org/pageviews/application.js:2:3465)
    at Object.fireWith [as resolveWith] (https://tools.wmflabs.org/pageviews/application.js:2:4277)