custom 1.7.10 requiers newer version of forge multipart

[woip]

i would like to start of by saying sorry if i posted this topic under the wrong category, but i am trying to create a custom modpack that i can use on the technic launcher but when i try to test run it, it asks for a new version of forge multipart, i was wondering where i can go to update this problem or fix it, thank you guys in advance

this is the platform link http://api.technicpack.net/modpack/woip-test-pack