Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dbda7ed276bed1c793313bb3fc1cac211ea8f17eb56e20adfeb3daad5de21678:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^