Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c348ac4f84592c821d58e33cdca6dce999ddf7e26a3f839e71f017ed54918b3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^