Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1cd4f94fce9a70f3fa2cd32e1e9135c47bdeb53edbd80692e6fa686b366c874c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^