Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 688f5b9263ab1e6efa2c8cd4d51cfbc5e8635b6c2f1d62530a183d0e6c8af365:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^