Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> afc29c387db2281e22c928cfa1b40e66fcce7984c2f71ad2521dfa6db13b9a62:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^