Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d44e604bf7c32a1047da856a3378e82dcd5bdd5084b3417e867d5d175566c297:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^