Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d824ddd6e3918dc075cf36c8ba1d55fdbab4f209f611f30848bce1a20f4a7953:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^