Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7cefd272a3d6adaa214d276face549fd6d26dc08a730b8f7d56ce616626b3a97:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^