Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 43970c276bb17465680387a68fc0fbfd1201533426f690feecad3c69149fe7c2:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^