Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9719c92aec05cdd5128a427b53137658cb6d6cd3d7119060507bd64605e4031c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^