Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc805858123989d6e0116d01e11bcd0631a4a44e1daa806a9b03ec76ea692e3e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^