Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9044770eac7642f873c0d52f9bca5801db1bf888c3871dec45e3f1bf3d370e6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^