Strange delay in my score on musescore.com

So today I've updated the score with the newer version of my .mscz file, where I deleted first, blank measure and there shouldn't be any break on the beginning, but as seems it's still playing the blank measure, meanwhile the musescore is "reading" it without the break, making a one measure delay with sound. What should I do to?
Here's the link to the score I am talking about: https://musescore.com/saweczek/kaleidoscope