Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2b047d8d28f3282087e56ecf1441fb1fba3ae2e0d2b89e317c2d61d423a413e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^