Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4aaf081487b75a6a3d292c8b1287d9f7d31404e81447e56928634f9f0d1b6dfc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^