Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1bc3b3ff19fcead59f816a7cc6ab236400133d907dc2237277e1aaf64129b6e8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^