Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a9ed9a2559a02643994363a502ca66b31a7a5de42971bbfcbfce519cde7af7d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^