Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7bf1cdcf7713d09beab9507d6667266a9c758890f14b75ae9f8bc6a32dda9d5d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^