Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7e8b0e08ec969dd10c5c7ad090db6b0387be427ff5c31cc840dcfc212abf1d1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^