Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dffb2c89183e355a52b30b6ff712d37d21574a5cf72f55ef4afef4179a4ce86d:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^