Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a04e3c7b49c42b7da84b07b6596801f447aec3f9fc2b2689250ff903b819be1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^