Thank you for posting in Intel community forum and hope all is well.
To help us understand the situation, which quartus version that you are currently using with the cyclone5 devices?
And also for the mention multiple error and not working well, are you able to provide further details like what and where are the error showing? (e.g. compilation error or etc.)
Hope to hear from you soon.
Thanks for getting back on the quartus version, as mention there are multiple error and isn't working well.
Would it be possible to provide a sreenshot of the error for us to check further?
Hope th hear from you soon.
Greetings, as we do not receive any further clarification on what is provided. Hence thread will now be transitioned to community support and we will no longer monitor this thread. For new queries, please feel free to open a new thread and we will be right with you. Pleasure having you here.