Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c7903b3d8e5b7e7bdd0e38fcc2d601d1cb161fb180fa47bbe3cd5e81e47a46f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^