Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 645e9106b6a5e156d2936661922e41a3e3fe3a47aae03e1057f6f827d4ea49a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^