Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d00200a5da61105d81b141c5826feadf7a99918254fcde35204fca88e3d6de3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^