Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91b722bc062585e02565ba62c17bad7f7dc32280150a2bac0b6f1606227faa07:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^