Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7356454571acba8abb26391d5778edec08c0648ae63f2d1d3fb2d062612d4879:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^