Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5ddd113c10f08536563feabaef2f7836c7aa80974230fb7964b41d1ae258644c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^