Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0966dabad5ec14749aaaa433c8f85674a9d2a2031815ea5e21dc40715feef585:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^