Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be0443864b5e3f9c2ef759265dab202f4b42a62bd5784775da311bb0cfd02f6d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^