Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 04d698d2504a11855efeafd369e4464941b3e34ff6f4d18ff5a2d2409b55fa61:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^