Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7a89e003629d545d27077c7b72ec45930ba2a94a5b6ae300eca8a40cdee5993:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^