Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b42d5ff783d81044d0e1b2a78f968aad7f1e161a3bfcb8a86ca4ab16845b336e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^