Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0fc659a7520a391db8fd7cd3b1951ab80df5a583d70f2f7d01867757d68637e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^