Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a6e2e5b1388970b4b40cec2666eeeabc5d790185e7abdaf31c1227f2ce4fb370:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^