Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 25729f7574469853f077e42185e591ea8e88e1f2eba4a7fa7691e7e8e231052a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^