Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d552cefa4e0e254b7e659e95018b20be322ed4823fe85f90773065c750be8806:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^