Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28f56873da7d3eb3695a799be18d2afb9b7d09c79e1af2e9921aa16ad6edcebc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^