Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fc23a6246d44b55456db3e4f524c90dddec747f03f49f7a52f8d444bcdc4ed8e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^