Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5813708640882efade7ebfa9c5dc8fe6b8c693f01d212fb7c317a6d087dcbbe5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^