Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> acce12d15a771478f8336329721b02000d51371227d9ddf3442f75250c761c35:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^