Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b6f6a8452a7b2a340aa007633748afdf61be3ec98e6ae5a1838eebe45659f208:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^