Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b09776540aa555d922b5569b13db8e3c47d6c323e8340a102a0cbbcded3be8eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^