Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a55a351661e52e242b62515dac88d0d37b7510770d0d79ed9cfc3d3bb68181b4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^