Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5fe57cc2d47811ec2fc8cd817c5216fa14baf1d0611e74226c23dfa6505c503c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^