how to fix error for cydia tweaks safe mode boot loop

this works:
Boot Loop: The solution, when you reboot your iPhone Press the Volume UP button, this will disable all the tweaks that have been installed on iPhone, iPad, iPod. So you can get out from bootloop. When all is Normal, Open Cydia and Uninstall Apps or Tweaks that causing problems. Go back and Reboot your iPhone, iPad, iPod. This would make all be Normal. and enjoy your Jailbreak.