Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81df65b5cbe43b91bf20dcc3ca94829e9feb8b795537750961314194ffd47fed:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^