Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6845899957e1a790059a08ce6b076bb81273c269c98d73fbfa64e70903f8f86:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^