Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1219cf76acba9eae319a89a560986bc18551d0a6fab79186f74a671c84a82310:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^