S400.A5 nl

Sorry, the SPARQL server sent an error. (see details with parameter log=2)

Error #sparql :Error query  : PREFIX wd: <http://external-wikibase-statbel-wikibase/entity/>
PREFIX wdt: <http://external-wikibase-statbel-wikibase/prop/direct/>
PREFIX p: <http://external-wikibase-statbel-wikibase/prop/>
PREFIX ps: <http://external-wikibase-statbel-wikibase/prop/statement/>
PREFIX pq: <http://external-wikibase-statbel-wikibase/prop/qualifier/>
SELECT ?DatasetLabel ?TaalLabel ?JaarLabel ?NummerLabel ?GrootteLabel ?LinkNL ?OpmerkingLabel
WHERE
{
     ?Dataset wdt:P1 wd:Q2624 .
     ?Dataset wdt:P299 wd:Q11940 .
     ?Dataset wdt:P303 ?Jaar .  
     ?Dataset wdt:P311 ?Nummer .
     ?Dataset wdt:P305 ?Dist .
     OPTIONAL {?Dataset wdt:P56 ?Opmerking .}
     OPTIONAL {?Dist wdt:P310 ?LinkNL . }
     BIND(IRI(REPLACE(?LinkNL, '^(. )$', ?LinkNL)) AS ?LinkNL).
     ?Dist wdt:P308 ?Code .
     ?Dist wdt:P307  ?Grootte .
     ?Dist wdt:P54  ?Taal .
     SERVICE wikibase:label { bd:serviceParam wikibase:language "nl". }
}
ORDER BY ASC(?JaarLabel) ASC(?Nummer)
Error endpoint: 
Error http_response_code: 0
Error message: Error (see log)
Error number: 3
Error message: 

Error data: Array
(
    [query] => PREFIX wd: <http://external-wikibase-statbel-wikibase/entity/>
PREFIX wdt: <http://external-wikibase-statbel-wikibase/prop/direct/>
PREFIX p: <http://external-wikibase-statbel-wikibase/prop/>
PREFIX ps: <http://external-wikibase-statbel-wikibase/prop/statement/>
PREFIX pq: <http://external-wikibase-statbel-wikibase/prop/qualifier/>
SELECT ?DatasetLabel ?TaalLabel ?JaarLabel ?NummerLabel ?GrootteLabel ?LinkNL ?OpmerkingLabel
WHERE
{
     ?Dataset wdt:P1 wd:Q2624 .
     ?Dataset wdt:P299 wd:Q11940 .
     ?Dataset wdt:P303 ?Jaar .  
     ?Dataset wdt:P311 ?Nummer .
     ?Dataset wdt:P305 ?Dist .
     OPTIONAL {?Dataset wdt:P56 ?Opmerking .}
     OPTIONAL {?Dist wdt:P310 ?LinkNL . }
     BIND(IRI(REPLACE(?LinkNL, '^(. )$', ?LinkNL)) AS ?LinkNL).
     ?Dist wdt:P308 ?Code .
     ?Dist wdt:P307  ?Grootte .
     ?Dist wdt:P54  ?Taal .
     SERVICE wikibase:label { bd:serviceParam wikibase:language "nl". }
}
ORDER BY ASC(?JaarLabel) ASC(?Nummer)
    [output] => xml
    [Accept] => application/sparql-results+xml
)