Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 83d4720efc53abc40ff50dcbfe7f321e2171cd2e63f097bb48ed029ceaddc13b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^