Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18485aa68cbeb51c7824da2eeba709ac1563f33f109e93a44598ca26dcdbffc8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^