select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 45.168.128.222
	Port: 57862
	Referer: http://sinimbu.nfse-tecnos.com.br/con_servicoprestadonfse.aspx
	Path: /con_servicoprestadonfse.aspx
	User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36
	ViewState: 8CN6b12lnMcQcJzf8gcKXCpuoXmAGSi+dd7hPiOm+8NzqxS8K9YqILvpPgI3izDjCAYTDPrf6M6DRXL+FERl8wunHQFPWJazU4D9CC2Gqps/7BPX7/OVTp3Njg9DkraDVGByb4cTXpBICYKgVfguWIWZ3jsYXmOB4DmemjY8ZE5/oRtoIADP83Wl4bEYo5NdlAxtsPmvDOx/zt9I3rdn1SuqEmfFGR3z642Qk84b4kRszTUIIrce15SRZXyC2W9HD2E/Ez3a7d701tcdl4sgKvz+Om5VlmBY3G//522TSkqoMz/kIwUFUjp0gS/ov2H+/GJzFKvmSTl1zUOJu+/c55sMHbEk8d5ZM+xemHTObixX+Sm97+Ct0f2QlfTDn0QnLrRD7wRVSQmFS/tWom/I6bWiNVcs36MdCieoV5z1u36aXmg17qwl/b6M4j37GUG4zzIRThkykryo5TqNOiLY2oG3KWKvNrgGk+pH39mz7qa+jJ5CIJ9D/sclyCXq4WJp053crvEGf7BNz4dbl0EJaWZ89rsb4ANN101MHCrAaTqXbd9t07fPOKbE3UIqA5Zg3pyY+UYsOYtIx+A9WJNGq0oI8QxlVVKTe6LW4R5cazN/gqcWLYAQB+rqgIzHilioDi20Y16hFkxl0eIVokiLLTtERep6aT1b4bQSPZ1HjwnZVVohmF0SRqJnBpz+tmMCRAsjXhQ8mXeDqvC121Djg8V... ---> System.FormatException: Comprimento inválido para uma matriz ou uma cadeia de caracteres de Base 64.
   em System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength)
   em System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength)
   em System.Convert.FromBase64String(String s)
   em System.Web.UI.ObjectStateFormatter.Deserialize(String inputString, Purpose purpose)
   em System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter2.Deserialize(String serializedState, Purpose purpose)
   em System.Web.UI.Util.DeserializeWithAssert(IStateFormatter2 formatter, String serializedState, Purpose purpose)
   em System.Web.UI.HiddenFieldPageStatePersister.Load()
   --- Fim do rastreamento de pilha de exceções internas --- Referência de objeto não definida para uma instância de um objeto.