Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5c122474756b2b7319e36086d1d0db0369cdb7d4bd3506cef4c72b35d945ada9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^