Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c757fdfe3127ba76734ba5b76946285dda9e7bddbbafb7bb4967ab5364ffeb8f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^