Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 231a4e638897d024a811dc61324fc916d93df8984572429c5281c9b4ccab7b1b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^