Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6521f7d901f439c9c5b87df8dbe3a8fc15609a33f70b65038cc6535c09a27f5d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^