Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3d34ec4250394f498b98b0a1962b832397ee07b901bf804a14f67630d3b166df:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^