Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5446d9a7dcab7e152512d7b34343c431abc6f9c98c1cfa5383d32c8b229e48c6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^