Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b685ffeca20d6d3831670cfceae5a9c394970fbaf73476955a9939d9e6a95303:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^