Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f8a0787432b377abdceca90f5d699e0d6d52e4ecb6df5ac5628043f075b13e8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^