Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75ff495d3228a131e27b50bd2982be486db69943015d8bba8f252bfe041ea18a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^