Error found

The actual return type does not match the sequence type declared in the function's signature: xqts:initialize() element. Expected cardinality: exactly one, got 0. [at line 14, column 34]

XQuery Stack Trace

xqts:initialize()

14:34

Java Stack Trace:

Class Name	Method Name	File Name	Line
org.exist.xquery.DynamicCardinalityCheck	eval	DynamicCardinalityCheck.java	80
org.exist.xquery.DynamicTypeCheck	eval	DynamicTypeCheck.java	66
org.exist.xquery.FunctionCall	evalFunction	FunctionCall.java	204
org.exist.xquery.FunctionCall	eval	FunctionCall.java	160
org.exist.xquery.AbstractExpression	eval	AbstractExpression.java	56
org.exist.xquery.PathExpr	eval	PathExpr.java	216
org.exist.xquery.VariableDeclaration	eval	VariableDeclaration.java	105
org.exist.xquery.AbstractExpression	eval	AbstractExpression.java	56
org.exist.xquery.PathExpr	eval	PathExpr.java	216
org.exist.xquery.AbstractExpression	eval	AbstractExpression.java	56
org.exist.xquery.XQuery	execute	XQuery.java	201
org.exist.xquery.XQuery	execute	XQuery.java	171
org.exist.xmldb.LocalXPathQueryService	execute	LocalXPathQueryService.java	185
org.exist.http.servlets.XQueryServlet	process	XQueryServlet.java	316
org.exist.http.servlets.XQueryServlet	doGet	XQueryServlet.java	165
javax.servlet.http.HttpServlet	service	HttpServlet.java	617
javax.servlet.http.HttpServlet	service	HttpServlet.java	717
org.apache.catalina.core.ApplicationFilterChain	internalDoFilter	ApplicationFilterChain.java	290
org.apache.catalina.core.ApplicationFilterChain	doFilter	ApplicationFilterChain.java	206
org.apache.catalina.core.StandardWrapperValve	invoke	StandardWrapperValve.java	219