Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6fc307e49e8ac5a817af6756794498cd81ead7063e49ba75469052254144b4bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^