Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> faf7697f682454bde959d4ed162705e81c51c475cabc13dfd4f4898505369afc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^