Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28f95f422d3be550e9d0c10d7caa6793f3cd9dfa581c4a1619f3d26aaa65299c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^