Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8b746a5924862eaaa13cabb205545df65622efcd22483272380597a793f6405:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^