Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b3272041cc4e80e8ff4ad08dbfdde972d4f9808efeca610c66e88a98a48cb509:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^