How could I make my business successful? I'm going through a slump right now?

I've been in business for a little over 10 years. This past month, I've barely made $400 and I'm panicking, wondering what's going wrong. My clients aren't contacting me. I've contacted a few to let them know that I'm available for work. I can't live on this amount and don't want... show more I've been in business for a little over 10 years. This past month, I've barely made $400 and I'm panicking, wondering what's going wrong. My clients aren't contacting me. I've contacted a few to let them know that I'm available for work. I can't live on this amount and don't want to let my business go. Any suggestions? I really would appreciate some help.
Update: I'm the solo owner and deal with sub-contractors, on a needed basis.
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