Technical work completed

The technical work has been completed, the servers are available again.
 
The following changes were made during the technical work:

• The Carnival event is over.
  
• Unused items: Sour Candy, Small Candy, Medium Candy, Large Candy, Colorful Shard, Small Carnival Box, Medium Carnival Box, Large Carnival Box have been removed.
  

Have a nice game, heroes!