Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 032e2a1bcb63a90a187069e94381cc42067ae80844213c5c8f7da2216fb31d9c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^