Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 93c076b56fe46b9682de619cd2a8c6f7765eda7057b95249986391b76ff8aabb:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^