Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec85d042572c1777513899fbfdd6cfcb9ee5a863a5fe931a4bbfbc70222c8fd7:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^