Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf1c8bdcbcb4609f98852d7e470717d3017fe378bc4dd8f52aacbcb2f707164d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^