Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 82b6ff0d808a72bb8c649b38581b93cb82f728e256151e1b33f78d11b289a6f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^