Screenshots & the more detailed information you can provide makes it much easier for other players to be able to assist you.
Is your path blocked as these players were in this forum thread?
If you are stuck because you cannot walk into the bubbles near the pipe at the top right corner of the game scene.....then you will need to contact Pixel support directly.
You can contact Pixel support via your game settings menu.
Remember to check your email spam folder for replies.
Do not send multiple tickets in quick succession to Pixel support otherwise their email spambot might eat them.