Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec2a04bf0e324f62671f2a162ad89e26fb413f738c2c75f9fa06dc202ed9f05a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^