Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4c9c3fc94a58e678b7a86bf21492f0788adabb8509e72e8d324109fa1fec43fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^