Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff3e7be1b51c945c00f6a7daf4e11d0b6d86857853849b05aed12a9670239e51:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^