Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 638e8905fdb5aae55b28c38c2c47f804e614dd5972b8a1a9d8122b3b752a46fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^