Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9d4aa5e50bbc6102fe46b891d12e68f985680d90956498dc3cbd99bf59d54b39:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^