Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78239c08dd115f4d1ab2b8cb690d95eec61f98617ae5095d28885c1822d34b25:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^