Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ed7e147cabdc4e8b9130a3883e2469142553b1e2869579eb840dda81791230fc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^