Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f10ffccfd740954d98a931d3eb7f38ac8d37a472fd288c8767bd1e80e5fd81b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^