Category:WikiProject banners with errors

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This category contains pages which themselves contain WPBannerMeta WikiProject banners where there is reason to suspect that some coding error has occurred, such as not specifying |category=no in examples or by leaving |BANNER_NAME= at the wrong value after a page move.

• A: a banner template with missing assessment categories
• B: a banner template which needs |DISPLAY_ON_START=yes on its B-checklist
• C: a banner template without substcheck
• L: a banner on a non-talk page, without category=no
• H: a banner template which uses HOOK_NOTE but has a missing or invalid HOOK_COLLAPSED.
• M: a banner template which has a missing PROJECT parameter.
• N: a banner template with taskforces which do not have a defined name.
• O: a banner template with a non-existent portal.
• P: a banner template with a possibly incorrect BANNER_NAME parameter
• Q: banner template using TF_n_QUALITY with unrecognised value
• S: a substituted banner
• T: a banner using |category= in article talk space
• Z: a banner with a missing category