I worked 8 hours and my job won't pay me for it now what?

I use dayforce at work and so I authorized my hours without checking it and realized I worked Friday and they never put in that I worked friday. Im missing 8 hours of labor. Its the end on the pay period and my hours are lock. I been trying to email my manager but having a hard time?

What now?
I worked 8 hours and my job won't pay me for it now what?
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