Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7dea1fec0c969635888145b3b493f88fd15d02f53236445a1d9cebdb8b45c0d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^