Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0bf241d6fe9c260af65c1215d2823b45dc399ec74a082de539735689baffcdd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^