Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cfcbb1c0eebacda4678673806d4d384deadfc8005b3afdce09d2b0cf099183d4:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^