Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac56d9cd846f9627d43c5802a342d2b3177b807090e6a5190ab6387bd0670cf0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^