An error has occurred

An error has been generated by the application.

exerr:ERROR XPTY0004: The actual cardinality for parameter 1 does not match the cardinality declared in the function's signature: node-name($arg as node()?) xs:QName?. Expected cardinality: zero or one, got 2. [at line 148, column 42, source: /db/apps/proizhod/modules/app.xql]
In function:
	app:nameOfIndexEntry(node(), map(*)) [-1:-1:/db/apps/proizhod/modules/app.xql]
	templates:process-output(element(), map(*), item()*, element()) [211:9:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:call-by-introspection(element(), map(*), map(*), function(*)) [189:28:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:call(item(), element(), map(*)) [137:36:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [148:81:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [148:81:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [148:81:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [148:81:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [148:81:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [148:81:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [428:17:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process-output(element(), map(*), item()*) [230:9:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process-output(element(), map(*), item()*, element()) [211:9:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:call-by-introspection(element(), map(*), map(*), function(*)) [189:28:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:call(item(), element(), map(*)) [145:37:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [428:17:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process-output(element(), map(*), item()*) [230:9:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process-output(element(), map(*), item()*, element()) [211:9:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:call-by-introspection(element(), map(*), map(*), function(*)) [189:28:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:call(item(), element(), map(*)) [137:36:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [133:51:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:process(node()*, map(*)) [90:9:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]
	templates:apply(node()+, function(*), map(*)?, map(*)?) [45:5:/usr/local/src/existdb/eXist-db/data/expathrepo/shared-0.9.1/content/templates.xql]