Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 49cc5a6f785429690e1583d9465f2e66c2e7fd3ce8de5e228f80e1e22dc54b90:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^