Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ba3877b24fce1109552051c945da1cd55e3d70129892bd88c7b88af254d3c1cd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^