Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f129c3757cdab464e4ce5d384fab43c96d6d92c2a94be05d57f71e240c23e62:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^