Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20b56969cdc631e00c9d21fae4a8bb996b2db150745aa629583b5a335b914680:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^