Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07c82d701a4044b766a6c0048f1db0bafaff032d84ab968b3eda8e160c281ba1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^