Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4df8e4e7d6f09caf4c41eea59c72ed13a92f174173af5fbb56af7b78cf229b08:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^