Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 93a9cf39e050910da89f998ef9ac34dcd6bae894e82ec0e4d25dc4cc9de7f390:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^