Exception in rendering!

Message: window is not defined

ReferenceError: window is not defined
    at s (<anonymous>:37:536058)
    at new ThemeWrapper (<anonymous>:37:536195)
    at a (<anonymous>:37:215954)
    at <anonymous>:37:217149
    at e.t.render (<anonymous>:37:217182)
    at e.t.read (<anonymous>:37:215057)
    at renderToString (<anonymous>:37:221962)
    at <anonymous>:37:1023899
    at Object.t.default (<anonymous>:37:371995)
    at Object.t.default (<anonymous>:37:374949)