Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f44eff18b54b34324a7b021dc9d5719b7bbf692d2abb640f9a5f8340904b7f65:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^