Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 457e16538091aca5e14eb5172d81ec5e135f67b3bc7ef48df22f2e156480f367:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^