Core Install Fail

  • I have burning board 4.1, and I purchased the core theme from cls-design. I downloaded com.cls-design.style.core.2.1.0.tar and went ACP > Packages > Install Package > Upload Package and choose com.cls-design.style.core.2.1.0.tar and it says "Uploading of specified file has failed."


    I am stuck, how do I install Core?