Tranny wont go into 1st or 2nd

[TurboDomestics]

I was dry shifting my tranny and it will go into all the gears except 1st and 2nd, it wont even go near them.
1 3 5
|-|-|
2 4 R
i wont go in the red part, if you know what i mean.

Shift fork??

How hard is it to fix???

Please say its easy!

Im running out of time to get my car up and running


thanks for any help!!

-Charlie