Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa8628fb3f666f549ba7bc1087a43ae75b5a27ab9f5d3c01729d0724ca74e465:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^