certain modpacks like tekkit classic wont run and keep crashing since the new launcher.

[Luckyman321]

Launcher Version: the newest

Operating System: mac

Java Version: version 6

Antivirus Program:

Description of Problem:

certain modpacks like tekkit classic wont run and keep crashing since the new launcher.

Error Messages:

Error Log:

[dwwojcik]

Suggestion: Post your java version, error logs, antivirus program, and a complete list of modpacks. i.e. fill out the form. Thank you, have a nice day.