Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a81fac354d80eeeb5ca490aa52375bcb70123ba5a307c6bd8f4fa252eaddc80:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^