/db/apps/thema/modules/page.xqmexerr:ERROR XPTY0004: The actual cardinality for parameter 2 does not match the cardinality declared in the function's signature: subsequence($source as item()*, $starting-at as xs:double, $length as xs:double) item()*. Expected cardinality: exactly one, got 0. [at line 381, column 44, source: /db/apps/thema/modules/exempla.xql]
In function:
e:sidebar-collection-list(xs:string, xs:string) [301:51:/db/apps/thema/modules/exempla.xql]
e:content(xs:string?) [83:60:/db/apps/thema/modules/exempla.xql]