Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d3ecce4ffcf461d344947fdd9207e7b217cd4abdff71b122a9facd14912ffa97:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^