Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b6f7c6c20a939dcfa7fb81324f60b396ff88c364a32a8d67dd2dbe99558aa839:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^