Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dfd0cb14bc5d2d0a22f0cb9774ca794520cbde92b8f202524daa2dcca7d12bec:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^