Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e794b2b5af3b021223a3d751f273072870e1b87e08c756b34f0a60305e5bd901:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^