compile error help me please

Hi everybody
I have a PS4 version 5.50
But don't want to update 6.72
Recently saw Joonie86 porting Hen 2.1.3
So I downloaded the 5.50 source code to compile
But an error occurred during compilation
I don’t know if my method is wrong or the file is missing
Can somebody help me Please
I have been confused for weeks
Or can you help me compile 5.50 HEN
Thank you everyone