Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a411967cda8eec5d762560b16a8abd97a4a8b3e39a77a14c12b70313395a00e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^