Hi, Alison 

Firstly, I would like to sincerely apologize for the delayed response as we have been experiencing an unusually high number of tickets. I am sorry that it has taken longer than usual to respond to your concern and your patience is highly appreciated.

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Yes, if this issue happens for you only with old tables made before the latest update ( and the new tables work fine);

our developers isolated the bug and will add it to their queue for fixing.

 They will do their best to build a fix as soon as possible.

 We don't have an exact ETA on when the fix will be available, but please keep a lookout on our wpDataTables changeLog.

It will be stated there during updates which bug fixes have been implemented at each update.

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At this time, 

a workaround is change the 'File location selection' > 

for example if it was set to 'WordPress Media Library' ,  switch it to "URL From any Domain",

 then switch it back and paste the updated "input file path or URL".

Here is my video example of what i mean as for the "switch selection and paste URL".

https://watch.screencastify.com/v/JNheYEueseM6nfqAWWQE

After you do that for each table that has this issue, it should be OK going forward.

But please let me know if the issue persists , we will be here to help. 

If you need us to take a look at WP-Admin,  the user that we have access does not have Admin privileges, if you can change him to Admin or send us a new Admin access, we can check this for you.

( Of course, if you send any sensitive data, make sure to mark reply as private)

Thank you

Hi, Diana 

Firstly, I would like to sincerely apologize for the delayed response as we have been experiencing an unusually high number of tickets. I am sorry that it has taken longer than usual to respond to your concern and your patience is highly appreciated.

-

It seems that you are having a different issue than the one on this ticket, and you are also using Lite plugin version, while Alison is using Premium version.

Can you please open a new ticket, ( if you don't have a licence, please choose Pre Purchase ticket category so it will not ask to input a licence number)

and there we can check out what issue seems to be happening with your site.

You would have to send me the source file which you are trying to use for table source, then we can try to reproduce the issue,

but we also might need access to your WP-Admin remotely, for that you would need to send us a private message for safety, so that only we can see the sensitive informations.

If you can please open a new ticket, and there we will proceed to ask you more details about the issue?

Thank you