Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5b59d6968078f5705f70f8ab9315574685afc7a834543fae44ebef64e72acfb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^