modpack My Modpack Keeps Crashing

[Zyplomad]

Hello programmers, gamers, and modders alike,

Recently, I decided to try my hand at making a modpack for my friends and I, called The ZyploPack, named after yours truly. I used several different text and video guides to help me create it, and it fundamentally works, as it is available in the Technic Launcher, but whenever I attempt to try and run it via the Play button, it loads up to the Mojang screen, then crashes, leaving me frustrated and confused. It worked when I was only using one mod, SecurityCraft 1.7.10, but I wanted to add more mods to the pack, so I added all of the mods I wanted in, which is when the crashing returned (it was there before I tried only using one mod). This was the crash report of the last time I tried to run it is attached. Please help me get my modpack up and running. 

Cheers!

- Zyplomad

crash-2017-07-11_08.51.58-client.txt

Edited July 11, 2017 by Zyplomad

[AetherPirate]

Use a newer Optifine, and use forge 1614

[Zyplomad]

AetherPirate, thanks for your reply!

I'll try the newer Optifine, as well as the new version of forge. Thanks!

[Zyplomad]

The pack works now! Thank you for your suggestion!