Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fa868cd15d7707250923c5a5bdc535a3cd21bfc4c3e141c7938babf51babe0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^