[Not A Valid Template]

Hello Juwel,

I received your direct email concerning this issue. With all due respect, your response (posted below) makes absolutely no sense.

I have no idea what you mean by “Repair or remap invalid templates,” or “Restore random thumbnail widget output.” I’m asking NextGen developers for a “safe workaround without data loss.” Because I don’t understand how your code works. If I did, I’d build my own image galley and not use your plugin.

As far as “Diagnose NextGen update related conflicts,” I’ve already done that. This issue started with your last software update. Going through this forum, I see a number of other people also reporting the exact same issue as me, and their issues started with your last software update. So, all things point to your latest update having a bug that prevents your image gallery widget from working properly.

Kindly fix this bug, and if you’re even more kind, provide me with a safe workaround with a description I’m actually able to follow.

Thank You,
Ron Charest

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I’m Juwel, a WordPress NextGen Gallery Specialist with hands-on experience resolving widget and template conflicts after plugin updates. I understand the recent update is triggering a Not A Valid Template error in the NextGen random thumbnail widget, affecting sidebar display. This usually occurs due to deprecated template files, widget compatibility changes, or missing template mappings that require adjustment or a safe workaround without removing the widget.

✅ Diagnose NextGen update related conflicts
✅ Repair or remap invalid templates
✅ Restore random thumbnail widget output
✅ Apply safe workaround without data loss

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