Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa3e60547727e4a782c09cb61b17dd24c78bc928150d3e7127a874502398dff8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^