/db/apps/service4tei/tei2html.xqlerr:XPTY0004 checking function parameter 2 in call transform:transform(doc(untyped-value-check[xs:string, $tei]), doc(untyped-value-check[xs:string, $xsl]), $params): XPTY0004: The actual cardinality for parameter 2 does not match the cardinality declared in the function's signature: transform:transform($node-tree as node()*, $stylesheet as item(), $parameters as node()?) node()?. Expected cardinality: exactly one, got 0. [at line 24, column 36, source: /db/apps/service4tei/tei2html.xql]