Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af5de35ed1978dd1e0663448fa61d628486e373bfa28e57ae04b4ce33ad9f247:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^