Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf56ba061d44fa2e0793122af4d794f1e7c11e22e9dac6164d736a87012f2d9c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^