Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c60c3c483a619b1094c9f0e8fdc7db770b7c6e1e821cab3a95dca74ce12cf321:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^