Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15be7d11362818c1435d05d24210fc227e79bd415e301fb93ef9d39813fc6916:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^