Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb2f8c0633635748623be4070d324d7f1861b75c407cf58c0bacbd064f0a73b1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^