Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e43e202cfea0c90ec3be92d394a6055379d063e27c4774546df3216e0c55cbd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^