Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2aa0b0fc51aa8eba1204e60aef705bd3f8effbbfd1566c0314186848fe715431:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^