Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91ac69c9485ec45965ed6b426740a475cef8bf298f63fe4f173f6bef79d56bcf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^