Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f3260884c2f73942d78d017a326373ab8d623b199418a99c6ca560db557d17f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^