Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fad7ae10203eaf8a2b5c853d87d4efaebc4317837bb3b1c13c88faceb59852f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^