Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7664311a9da2b1d330261318f33b939b553335be5bcde2f7016e4836cf689cad:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^