Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8b502526edc0c2ba6a47f60d61936398c233f393b62b7c81daa4b5bf6fc3d8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^