Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f0fc31377e1fe3877681b509f9cda0111375b3976d810d17f0d01e83c55334f6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^