Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f6907689439848bc3e6bc9ce3a422dba9e1eb1848580edbecf669fa7f649641:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^