diff --git a/modules/ROOT/content-nav.adoc b/modules/ROOT/content-nav.adoc
index 579b914e..8610e39a 100644
--- a/modules/ROOT/content-nav.adoc
+++ b/modules/ROOT/content-nav.adoc
@@ -460,6 +460,7 @@
 **** xref:errors/gql-errors/51N73.adoc[]
 **** xref:errors/gql-errors/51N74.adoc[]
 **** xref:errors/gql-errors/51N76.adoc[]
+**** xref:errors/gql-errors/51N77.adoc[]
 *** xref:errors/gql-errors/index.adoc#procedure-exceptions[Procedure exceptions]
 **** xref:errors/gql-errors/52N01.adoc[]
 **** xref:errors/gql-errors/52N02.adoc[]