Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa0ad8ab7c67dd8439cb619aa120207c1e8e6b787120a6db4bf39fa294ca58da:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^