Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 124109c7e98179f1a19aad2a430367a5c164706173a44fd4d1b9754f4abeb36e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^