Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 26eaa597a48526198d10a447a306268c9aa0be171e2a8c059f925de895cd5be9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^