Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80ddf3679f5aadac91a5a7d3b9082dc99a7450185f2bde6fa3559c1946b233ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^