Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64206cc65a89cfd465bf122cddbb5f72583f2696a16cb65abe6f8250ad75c4f7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^