Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 61d15ff7eb13a8b8fbe4d684cd753c0a8853b48fa8920655443938f6ad76264a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^