Use of uninitialized value in concatenation (.) or string at parselogs line 23.

Use of uninitialized value in concatenation (.) or string at parselogs line 24.

Use of uninitialized value in concatenation (.) or string at parselogs line 25.

Use of uninitialized value in concatenation (.) or string at parselogs line 26.

Use of uninitialized value in concatenation (.) or string at parselogs line 27.