Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6a28c92dcf055ba1b30b2c433be81d400dede6f3c243a3f202cb0f86267ea6f3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^