Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9b56ebac4ba05075b780fc4583d60daddf90470cd93dfb1a18cbbf1f841a87a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^