Openlayers script error

Hi,
i have a problem in console logs :

OpenLayers.js?ver=1.0 line 679 
Uncaught TypeError: Cannot read property 'w' of null
    at initialize.setMap (OpenLayers.js?ver=1.0:679)
    at initialize.addLayer (OpenLayers.js?ver=1.0:173)
    at initialize.addLayers (OpenLayers.js?ver=1.0:173)
    at HTMLDocument.eval (eval at <anonymous> (jquery.js?ver=1.12.4:2), <anonymous>:75:20)
    at i (jquery.js?ver=1.12.4:2)
    at Object.add [as done] (jquery.js?ver=1.12.4:2)
    at a.fn.init.n.fn.ready (jquery.js?ver=1.12.4:2)
    at eval (eval at <anonymous> (jquery.js?ver=1.12.4:2), <anonymous>:2:30)
    at eval (<anonymous>)
    at jquery.js?ver=1.12.4:2

And the current weather icon (sunny/rain/…) doesn’t appear.
But the forecast for the next days are ok.