Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb5415fdce560ad4b9e86b70da50b2964cfce973c1e4354d642e0d6d7f163e8b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^