Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e09c3d2bf0dce5dfbe0bc27f737ded83234d163da908a376db47ab343fcfa1d7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^