Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30bc43d8e19fc2694bf756868d067f334f781cc0616e30a2b08dfd91dbdf7756:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^