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  Preparation of the repository for creation of an SRPM failed: No source number 0]: [This line says while parsing specfile, no Source0 was found in that specfile]

Issue: The SRPM build submitted by Packit failed because there was no Source0 field in spec file.
Resolution: Specify Source0 in specfile