Error with Learndash Broadcast (NO DB ROW…)
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In trying to Broadcast LearnDash courses that use TinCanny Reporting modules in their lessons, I am encountering failures – typically partially successful transfers, sometimes 4 lessons transferred out of 20+, sometimes only the Lesson headings, and so on. When the broadcasts are attempted in “Rebroadcast” mode from the Courses archive or from the Broadcast > Learndash “Course broadcast” subpage. an error message appears, “NO DB ROW – PLEASE SAVE WITH VALID MODULE” or “Ajax Error – NO DB ROW.”
If we hadn’t successfully completed many similar broadcasts in the past, over the course of several years in fact, I would have concluded that the Add-On was simply non-functional. However, I have found that if I repeatedly – upwards of 5 to 10 times – try to “Rebroadcast,” I can finally get the broadcast to complete in full.
We are using the latest available add-on pack, on WordPress 6.9.4. I have tried normal troubleshooting – turning off all but essential plugins, switching to a vanilla WordPress theme – without solving the problem. There are no error messages in the WordPress debug log. I do not believe we are encountering PHP Memory or timeout errors: The process does not appear to time out, and we have memory and execution time set at very high values (2GB and 300 seconds). We have replicated the error at two separate, if similarly configured, installations at the same host, but on different servers.
I have enabled Broadcast debugging, The current output file is very long, since it reflects those repeated efforts, but I would be happy to share it with you, or to perform a single attempt.
Since we are finally achieving success, and since we do not actually use this feature very often, I wouldn’t consider this an urgent matter. That said, we are concerned that at some point in the future, the functionality may fail completely.
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