Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 218df9e7b1997f895f2dccd0ea70da192bb1321bdc3e208df3bed6fc53541c15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^