Import - skos:exactMatch is ignored about vocabseditor HOT 1 CLOSED

@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix vocab: <https://vocabs.acdh.oeaw.ac.at/testit/> .

<https://chronontology.dainst.org/period/vpg0DvwPQxyc> skos:exactMatch vocab:100 .

vocab:100 a skos:Concept ;
    dct:source "ACDH-CH" ;
    skos:exactMatch <https://chronontology.dainst.org/period/vpg0DvwPQxyc> ;
    skos:narrowMatch <http://www.eionet.europa.eu/gemet/concept/3252> ;
    skos:exactMatch <https://d-nb.info/gnd/1197273174> ;
    skos:definition "Level 1 of the test-it"@en ;
    skos:inScheme vocab:testitSchema ;
    skos:prefLabel "Level 1"@en ;
    skos:topConceptOf vocab:testitSchema .

vocab:testitSchema a skos:ConceptScheme ;
    rdfs:label "Test it Thesaurus"@en ;
    dc:creator "Klaus Illmayer" ;
    dc:description "Test if import of exactmatch works"@en ;
    dc:language "en" ;
    dc:publisher "ACDH-CH" ;
    dc:subject "Test" ;
    dc:title "Test-it exactmatch"@en ;
    dct:created "2022-11-18" ;
    owl:versionInfo "1.0" ;
    skos:hasTopConcept vocab:100 .