Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1645c8c5b36539baef66c3dff25c30d20b4cd4e93008cdb96ff57786aaf710a8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^