Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a81ba13f0178ebb8d05e78868009bac3fd05e4b4523bebc7294e226aaeb784bd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^