Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> edf38ffb36c87f361667d8f86ce18620ce311ed94cfa78a6cdce18f54a01bec1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^