Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 589c6f2192e0a682773cba6f738abd5ad03bf4aa876359d13e69d86432e184db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^