An error has occurred

/db/apps/VNS/VNS_site/xquery/DALF.xq exerr:ERROR Error while evaluating expression: browse:do-query(). XPTY0004: The actual cardinality for parameter 1 does not match the cardinality declared in the function's signature: concat($atomizable-values as xs:anyAtomicType?, ...) xs:string?. Expected cardinality: zero or one, got 2. [at line 85, column 10, source: /db/apps/VNS/VNS_site/xquery/modules/facets.xq] In function: facets:get-facets(element()*) [45:9:/db/apps/VNS/VNS_site/xquery/modules/facets.xq] browse:do-query() [1:1:/db/apps/VNS/VNS_site/xquery/modules/browse.xq] local:main() [90:14:/db/apps/VNS/VNS_site/xquery/DALF.xq]

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