Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c02ba40e2d70614619b394a120dfc2732ffcfbe7c6d63ded8f050d5bc3b2005:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^