Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6620e6abf0ff2f130c139f2f9815e096a1f0219f24307670643765d1b8d1a6b3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^