Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9912ed06359ec8d7fd34842704acf7d2ebf49f1bbcbbfb2565f914ca7ce60026:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^