Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f89be2cb25981b7820339258ab1f0cd6b26d63eac8806bb3deddf3044c7e98b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^