Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af6475cea5de4d570a9aca4ec3ac5b175112a67015cfc36c56728fa1cdca27dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^