Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5501011cebc59aacc84913815e566596d74731076d2f8af148bd77eec51bed8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^