Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 82c6dbcf7606889566cf435567d4eb01688e8d894d5e38962308d966d4301c69:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^