Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa369d55df599ad4172bddc0c035225d0d722d1da7ec6b90b2b1d68d2103ea40:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^