Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56f4148798ad4b75f38554ddcce774e63fd1c2f4b15a9b32350ce79f86a78550:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^