Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ea42e0eb18a8e449ab5f43cd10e4327f64bd69e84fb5bfc9f769990813a22f61:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^