Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09a19ddd8b682d7550b31348f1932d969c6e0b9bcaf011a7c8fabe520ea17c2b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^