Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bda4dad591b1c60aa595c69677408e13bffbdd7a7011ebcad7232d1c601f924b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^