Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e97ead649f6c7768107d63c6ff3842cf1a410e583aa57a2e9b696babff870216:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^