Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 51c309ab50a829f0c2d22527c4dc069e5f06e6c2d2f23647ea53f3cedd92d7be:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^