Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 848686acb5ddfed6b4408f5a8760dc60db0ce7c5d3539188f62753095da635fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^