Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 02e15f047da1d82c788a6c43ea0c22c09c815ae0b77570d7a5bccea0cffc6791:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^