Error When making an API call via PHP SDK: zsign\SignException: [9031]: Ticket invalid

Using the PHP SDK I have setup a Zoho Sign integration with my application that allows me to manage and send documents and templates. This is all done with embedded signing.

I recently put the integration into production, and after switching from development tokens to production tokens I am having an issue.

If over the course of a few minutes I send out a number of documents via the api (5-10), when I make ANY API call, I get the following error:

SIGN EXCEPTION : zsign\SignException: [9031]: Ticket invalid

This error will resolve itself in about 10 minutes, during which time I cannot make ANY API calls.

This is causing a major issue as it's disrupting the entire workflow, including recipients trying to sign via embedded signing which relies on API calls.

Any help would be very much appreciated as I have not received a response from support in over two days.

If there is any code in particular that would be helpful please let me know and I will post it.

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