Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 815fff6fda0cf4fc3d8f1408884e4639733e1e40d6a574fc5334e7b556ceeea2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^