Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 76ed3a7e8eda33e267dd1333704627889294757023f2ca1e542859041dcddb4f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^