Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4420c92d56121a535c170483253b36806b67503cb7dc5b99ca9570ea4881faf7:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^