Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 326fe2966f6e2089a937c6567fcc3863eb597321765ece6f993cf373f00df89a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^