Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c7133ae2f7b6540a933577398f9b10c7937d357b75b8ef772f4cb7e96db969f3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^