Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a219f1c5014b5b95589abe2401cedc44dc50c7ebcdf2ace0f6ffe442eefc1648:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^