Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1343438bb23d4deebff58280fce2b411909e45ae31c3da9a7f8771a533babbb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^