Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddcd61e1dda9567f7d535fe51b583ce90723ebda0b8e67cffa9b5153ff2b42da:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^