• Template parameter issues by task (11 C)
• Template parameter issues by topic (6 C)

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• Deprecated parameters (12 C)
• Templates with incorrect parameter syntax (empty)
• Unknown parameters (285 C, 2 P)
• Articles using duplicate arguments in template calls (13 P)
• Pages using duplicate arguments in template calls (1 C, 1,150 P)

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• File namespace templates parameter issues (4 C)

A

• Wikipedia ads templates with errors (empty)
• Wikipedia articles incorporating text from the New International Encyclopedia with an unnamed parameter (empty)
• Articles missing Template:London Gazette required parameter (empty)

C

• Chembox and Drugbox articles with a broken CheMoBot template (11 P)

D

• Date templates parameter issues (11 C)
• Articles with invalid date parameter in template (3 P)
• Date table sorting templates with errors (5 P)
• Wikipedia disambig or set index box parameter needs fixing (18 P)
• Draft articles tagged with invalid topic parameter (8 P)

E

• Empty templates on articles (empty)
• English listed building pages with no ISO subdivision field (52 P)

F

• Find sources multi transclusions with errors (1 P)
• Footnote templates with errors (empty)
• Pages with incorrect formatting templates use (1 C, 6 P)

I

• Invisible Wikidata link with existing page (empty)
• Pages using italic title with no matching string (2 P)

L

• Pages with long short description (empty)

M

• Wikipedia message box parameter needs fixing (10 P)
• MTG set symbols with missing parameters (empty)

N

• Non-standard drinkware (18 P)

O

• Pages using ordination template and missing denomination (68 P)

P

• Pages containing omitted template arguments (6 P)
• Pages using kommunestyre table with missing parameters (empty)
• Pages using span cleanup templates without text (empty)
• Pages with Allar IPA (empty)
• Pages with backwards copy errors (1 P)
• Pages with backwards copy warnings (162 P)
• Pages with obsolete Vega 1.0 graphs (empty)
• Pages with syntax highlighting errors (875 P)
• Pages using Template:Post-nominals with missing parameters (3,429 P)

R

• Pages with incorrect use of Rating template (455 P)
• Miscellaneous redirects (4 P)
• Pages with bad rounding precision (empty)

S

• Wikipedians using the service awards template incorrectly (empty)
• Pages with empty short description (563 P)
• Wikipedia pages with long short description (11 C)
• Sockpuppets templates parameter issues (5 C)
• Spoken Wikipedia without date (empty)
• Spoken Wikipedia without file (empty)
• Templates needing substitution checking (1,210 P)
• Subtitles template with non-existent TimedText page (empty)

U

• Uses TemplateStyles templates with errors (empty)

W

• Wikipedia categories tracking missing ID (230 C)
• Wikipedia categories tracking string not matching pattern (10 C)
• Wikipedia pages with potentially bad Wikinews search links (empty)
• WikiProject templates parameter issues (3 C)

X

• Articles using x10^ with no parameters (empty)

Y

• Articles using year nav template with extra parameters (empty)