Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06c4cf411375507d0e96d1af886bec7219083307db1c94f335f10fe3a57421bd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^