Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42d2d22df9e366da5a1628c5a3d001c5bdc9af31138e7fd354fea725a0a43021:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^