Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2788f87e2e77b8ce057b1fa80fb22ac1f76cd3a9e187b2d8f95cde61a2793530:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^