Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 274e7e222a8974f4f6266b5ee0359f0ca5de7737db5518630e41464d523f4157:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^