Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad71349cbe7a950810eadf05b44f82d3833726d5bd35191f53174eaf9e3e7cf4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^