Thank you.I quite got usedt to reading error log from CRXDE Lite.The problem I have now is that the error log does not show up in CRXDE Lite.Pleae see the attached file.

Thank you for reply.According to AEM 6.2 doc, https://docs.adobe.com/docs/en/aem/6-2/develop/dev-tools/developing-with-crxde-lite.html#Logging, we can read error.log from CRXDE Lite.LoggingWith CRXDE Lite you can display the file error.log that is located on the file system at <crx-install-dir>/crx-...

Thank you for your reply.Unfortunately, I only use Maven environment with pom.xml to write/build bundle.Any idea in Maven? Thanks,

Thank you. I will open a ticket for it.

Thank you for your reply.I think it is necessary to explain more in detail.We have tags under /etc/tags, but for some reasons, we need to replicate those tags to under /content/data/metadata where we modify some or deactivate.Some applications need to use those metadata under /content/data/metadata ...