Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f968471ae3edfb7e1c5e2a4e1c47e868420fc38a845b463dd1135f8453c06840:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^