Out of no-where, my system suddenly only shows "Error 500". Empty screen, EspoCRM footer, a red text "Error 500". Nothing else.
I have no clue what caused this, and how to trouble-shoot it. Any thoughts?
							
						
					I have no clue what caused this, and how to trouble-shoot it. Any thoughts?

 Error 500?
									
									
									Error 500?
								 
							
						
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