Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 465da4b00498c711ec8ecfbaebcfcb10e247ee33e90d0a3c9db5f269a2830fa9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^