Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7967e58fac1bdde1e50a9d66077a85f354d90f026f1d7a77b795b1942fbaf403:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^