Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0072b9bba226026184273989fbb1c21a179d6e36dd2de6dc4d064337369a20d9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^