Worked on the fkie-cad/Logprep repository to address a parsing issue in the Lucene Filter Parser Lexing component. Focused on resolving conflicts between the Lucene parser and the Crypto module by explicitly specifying the lexer, which ensured correct parsing and escaping of Lucene expressions. This targeted bug fix improved the reliability and stability of search and filter workflows within the application, reducing the risk of incorrect query handling in production. Utilized Python and parsing techniques to implement the solution, with changes traceable to a specific commit for auditability. The work emphasized careful debugging and precise handling of language parsing challenges.