Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3ddfb0c3bdc7e1f69d3dc76636cbd19754b508ca7f54e4ff947d05fe8b9426f1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^