Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cded69ea0f5221e0db6cbb7a5951b1102acbd650f3900a42ded3a6e035cd0fdb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^