[8.13] регрессия - CreateDataSource возвращает ошибку при запуске после подключения

local classes = {
    'TQBR',
    'SPBXM',
}
local intervals = {
    INTERVAL_M1,
    INTERVAL_M2,
}
function main ( )
    while isConnected ( ) == 0 do sleep ( 10000 ) end
    local list = { }
    for _, int in ipairs ( intervals ) do        
        for _, class in ipairs ( classes ) do
            for sec in getClassSecurities ( class ):gmatch ( "([^,]+)") do
                    table.insert ( list, { class = class, sec = sec, int = int } )
        end
        end
    end

    local sources = { }
    for _, entry in pairs ( list ) do
        local source, error = CreateDataSource ( entry.class, entry.sec, intervals[ entry.int ] )
        if source then
            source:SetEmptyCallback ( )
            table.insert ( sources, source )
        else
            message ( string.format ( "Failed to create data source: %s\n%s %s %s" , error, entry.class, entry.sec, entry.int ) )
        end
    end
    for _, source in ipairs ( sources ) do 
        ...
    end
end

 if error then message ( string.format ( "Failed to create data source: %s\n%s %s %s" , error, class, sec, int ) ) end