Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fd61a456d310cb292bea5393790f26b30ace2ede9f92fe55b67bfd0d2f77c85b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^