Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1371bc4f356835cda1ef1e5895d10c9768fe8456bd0be1f9be36ab5e8e270859:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^