Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75c8e5ec889e44a8d9889dd9a945675d08bfe18d0ffd3d2c92fdc52bb99ada38:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^