Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cfbccbe429303cb0906e60bcede1a6be21be7935863e69aaf87fc51cbe98dd7f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^