Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa0c3509b6a1e2b802aca96aeb2a6320aa89912726a5543e7e611180b8b3f20a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^