Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31c1d461ca17573d76d00b3d0418615ae14491bf97fb1a135427ece6cbcb1a6d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^