Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c91e4473c46f81eb67ada7e2f48a49bb640b58df810bc624a9c8718e1bd6599a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^