Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1e44db549d315c8340b768d45286c9f417c7bfbb5051b151b8b93faccdfc2af:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^