Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12f7cbdeacfeccb49004e14ca3a9ac80851f7456613cbc81712ea2fafbbad0e6:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^