Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 88a8004025622d53a24b3a5e7d725d5273389f64366b71ea69b36090b7ede726:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^