Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> daded07138ab61eb9b65fb745057b639474554308964f5f0a1eb62150677f54a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^