Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [error:]: [Error header]
=============
[Installed (but unpackaged) file(s) found:
   /usr/lib/tmpfiles.d/mariadb.conf]: [Error description]

Issue: RPM build - Installed but unpackaged file found
Resolution: Add the file to the %files section of the SPECfile or remove the file in %install section