Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c8efced8e451dc6e1ffee3f79647b73bd8c5aff7438e460743d1fa554e10e172:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^