Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1990f5c6f58df64a8cf3a8edbaf8904ab1e771e43854aae612cef89e38f9db7b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^