Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 660ad2fc54e92f94cf76d8829e8de617cf8cb7ebe8d559a6490a4fc691d5fbe3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^