v0.js:18 [Resource] failed to build: amp-carousel#17 ReferenceError: Carousel$$module$extensions$amp_base_carousel$0_1$carousel is not defined
    at R.push.f.k.buildCallback (amp-carousel-0.2.js:13)
    at v0.js:271
    at new Promise (<anonymous>)
    at HTMLElement.Jj.b.build (v0.js:270)
    at ej.f.build (v0.js:240)
    at mk (v0.js:323)
    at lk (v0.js:322)
    at ek.f.upgraded (v0.js:324)
    at HTMLElement.Jj.b.Ld (v0.js:269)
    at HTMLElement.Jj.b.Cg (v0.js:284)