Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d6e3e13034db85716553fbc56d7070082c555daea90caab10e8321f4f87eaf61:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^