The definition of the namespace 'portal' does not exist on the Odia Wikipedia (or.wikipedia.org), and needs to be created, either changing the variable $wgExtraNamespaces (https://www.mediawiki.org/wiki/Manual:$wgExtraNamespaces) to accommodate portals and creating a new namespace called Portal (in Odia - ପୋର୍ଟାଲ), or by linking the definition of the English namespace 'Portal' (whose namespace code is 100 in Wikipedia) to an Odia translation.
Could someone help with creation of portal namespace on OR WP?