Exception in rendering!

Message: Cannot access 'y' before initialization

ReferenceError: Cannot access 'y' before initialization
    at mw (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:2033327)
    at o (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:675045)
    at we (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:676063)
    at e.t.render (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:678579)
    at e.t.read (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:678155)
    at Object.renderToString (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:683355)
    at /var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:387755
    at Object.t.default (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:388081)
    at Object.serverRenderReactComponent (/var/www/www-root/data/www/test3.steelline.by/public/assets/js/app.min.js:2:630945)
    at eval (eval at <anonymous> (/var/www/www-root/data/www/test3.steelline.by/node/ssr-server.js:31:22), <anonymous>:9:23)