Changes
If Wikidata property has multiple values, only use first one. Add fix for empty name parameter.
{{#if: {{{1<includeonly>|</includeonly>}}} {{{id|}}} {{#property:P2019}}
| [https://www.allmovie.com/artist/{{#if: {{{1|{{{id<includeonly>|</includeonly>}}}}}} | p{{Trim|{{{1|{{{id}}}}}}}} | {{First word|{{#property:P2019}}|sep=,}} }} {{#if: {{{2|{{{name<includeonly>|</includeonly>}}}}}} | {{{2|{{{name}}}}}} | {{PAGENAMEBASE}} }}] at [[AllMovie]]<includeonly>{{EditAtWikidata|pid=P2019|{{{1|{{{id|}}}}}}}}</includeonly>
| <span class="error">{{[[Template:AllMovie name|AllMovie name]]}} template missing ID and not present in Wikidata.</span>
}}<noinclude>
{{Documentation}}<!-- Please add categories to the /doc subpage & add interwikis to Wikidata. -->
</noinclude>
| [https://www.allmovie.com/artist/{{#if: {{{1|{{{id<includeonly>|</includeonly>}}}}}} | p{{Trim|{{{1|{{{id}}}}}}}} | {{First word|{{#property:P2019}}|sep=,}} }} {{#if: {{{2|{{{name<includeonly>|</includeonly>}}}}}} | {{{2|{{{name}}}}}} | {{PAGENAMEBASE}} }}] at [[AllMovie]]<includeonly>{{EditAtWikidata|pid=P2019|{{{1|{{{id|}}}}}}}}</includeonly>
| <span class="error">{{[[Template:AllMovie name|AllMovie name]]}} template missing ID and not present in Wikidata.</span>
}}<noinclude>
{{Documentation}}<!-- Please add categories to the /doc subpage & add interwikis to Wikidata. -->
</noinclude>
