Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 38111eb4682be21da6d69d8c74d228d2bdbbe1b62cf2d96b620351ee7a42aa82:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^