Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c8c5c50d0b874dfe55e7c48a2fc34de3c74ba54f1d52037d905ea076d2b982ca:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^