Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7aef6f8009c5f63ab54d9ac44c05108e4fdde6e70bec1e885610b755bc1d71a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^