Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 45ff21adfb695ece90e6fc316f2c6a550bf19fdc9dab9433cb940368b617a15a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^