Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af9b8af949d549fceb9d3b25f8b7fb25c8be84ef991c2a223c43a6cf70c9ed6e:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^