ExecuteError: Failed to execute. Parameters are not valid.
ERROR 000793: Invalid data element type
ERROR 000840: The value is not a Raster Layer.
Failed to execute (MakeQueryTable)

MyGDB = arcpy.env.workspace = mygdb.gdb
table_name = "myTable"
myLayer = str(gdb) + "myLayer"

arcpy.MakeQueryTable_management(["myLayer",table_name],"QueryTable",
"ADD_VIRTUAL_KEY_FIELD", "", "","myLayer.ID = " + table_name + ".ID" )