Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f6d146a1e3efbf260d434c76a601ba1611c71b8d35a64c4c2aab4f6ec5e186ac:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^