Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 561e8d44cdab30a1c123d63ca3911cedb15f7542ba83ab86522f38f8690dcc6e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^