What's "hitting the proverbial brick wall" meaning?

Allows the reader to focus on what’s really important, writing programs
without hitting the proverbial brick wall that dooms many who attempt to
learn assembly language to failure. . . .

i am not a native speaker of english, so can’t understand this idiom "hitting the proverbial brick wall "well,expect some one can explain it to me.,thank you,

“hitting a brick wall” is hyperbole

it means to become exhausted

got it. thank you.