Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8dd8fca6bdaac5043b844d8c84e1d0cb8920552f43d4160861438d04180d6223:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^