Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3462cb899ffb9bed3821a990bd7a81a95eb6bdfd702f7793f88c648066fcafe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^