Timeout error on multiple Schedule Block dependencies.

Steps to reproduce:
1 Go to Studio Demo, next Page, Create New LP.
2 In Editor add minimum 8 Schedule Blocks to page.
3 Set overflow between Schedule Blocks :
In 1st to 2nd, in 2nd to 3th, ... in 7th to 8th.
4 Click on Publish.

Actual result: Long time loader.
Expected result: Landing Page should be saved in accepted, short time.