Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5149abdf5f5ac979753842fa6a1b8dc850838a5bab62f05dd1f4ee8bf1a3305c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^