I am using the Macbook Pro Retina 2014 Mid. After I installed the texture pack and using SEUS-v10.1-Standard. What I got is the following errors:
Invalid program gbuffer_textured_lit
Invalid program composite1
Invalid Program final
Failed creating shadow framebuffer!(status36060)
Invalid program gbuffer_textured_lit
Invalid program composite1
Invalid Program final
Failed creating shadow framebuffer!(status36060)