Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ecb50ec0cb5924865c1c389b8a3be09ba043d070fd34d8f2e42ba633114da8e1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^