Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20791dfc9929fc46954c6f6ec99ba7bb9b79feeba99017e3634aea2323733eb1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^