Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9f44e4c4fb68863da809406c90dcd135b9f1f655acdfb70a4996f204ecbc918:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^