Description :

Cannot stream required archive data. Please check the network connection.

Solution :
Download this version of Cataclysm :
https://mega.nz/#!3Npx1AiD!mtvrHd7rTNQwe09vAas_mpsD01Xf64yl00gNUQ-xieg

• Unzip the folder you just downloaded with WinRAR.
• Launch the firestorm launcher and go to Cataclysm
• Click on the Settings icon on the top left then click on "game settings" and "change install directory"  Visual guide
  
• Go to the folder you just extracted
• Click on that folder and click on "select a folder" 
• You will receive a message, click on "Yes"