Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1eb93e22318f90e04a7b0521cbbf88448e15de7991f4498724d2d54ebebe3e7b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^