Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28b4067bf18a954c4b810fe5a628c1b99db2166ca8f12e785ca8db66b47a8371:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^