Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a30047eab6b1831e90dca30b4afaf4a7fff214efb7aac8a1041435c63dcdb37a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^