Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a500f6246482f3617c7e843d6d0ac8be216a1cdc121113e8a358157cfb86bf9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^