Unrolled loops not support for inputs

void test_input_array(int a[200], int n) {
#pragma hls_unroll no
for (int i = 0; i < 200; i++) {
a[i] = a[i] + 5;
}
}

Gives

UNIMPLEMENTED: For loop missing #pragma
--> ./test_input_array.cpp:3:3
|
3 | for (int i = 0; i < 200; i++) {
| ^

Any ideas