Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72f7b15769a03ed47921e6f631046d34a4faf8842d41ce0cd28c5eb958fa782c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^