We had similar issues but not S3, it was with SFTP I feel the S3 bucket that you configured does not have permissions or your credentials to connect to the S3 might be expired. Try to connect to S3 bucket using curl command bypassing region id, secret key, bucket name, etc, and test the connection, ...

At apache, you can write a rewrite rule, which redirects to your custom 404 error page. <VirtualHost *:80> ErrorDocument 404 /custom_404.html // rewirte rule </VirtualHost> 

Yes, the temp table field length is 255 characters, so because of this, it is trimming additional characters, but I dont see JS step to create temp tables in Adobe Campaign Standard Please check this link, there are multiple options to create the temp table https://experienceleaguecommunities.adobe....

Please check the length of the itemNameImage field, I think the length is restricting. 

Yes, it is going to be a good feature. While publishing today I felt the same thing. As it is admin task and he/she will have full control on the system and he knows what needs to publish and what not, but when multiple projects are working on the same instance and there is no admin and having lack ...

The adobe campaign standard supports HTML5 input fields while building landing pages acquisitions forms I have used HTML5 input fields that support pattern validation, minlength, size attributes to perform validations  

As Ramon mentioned, you can duplicate check unsubscription control rule and change logWarning link to logError if (delivery.content.email.length > 1) {logWarning(sg.missingOptoutTextMultivariant(emailContent.variant));}else {logError(sg.missingOptoutText());}  

It totally depends on how many products you have in excel file, if the products count is very less then you can create XF for every product, and in workflow based on the segmentation, you can call those XF in delivery templates. If the products count is high then I feel you can use personalization f...

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Check below post, you need to install SP2 if you are using java8Unable to compile class for JSP: An error occurred at line 95 Please reply back if it is still not resolved.