Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 822f33ce5eeff2fdbbe4309d602a357703ada27933cd93ab6947339320a32343:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^