Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbc44f47cd2acbf70e8cd49e63f0d2884025f5fb6d2eb9572ed8750723721189:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^