DOCS-16239 Pipeline limit error codes (#4885)

* DOCS-16239 agg pipe stage limit errors

* DOCS-16239 fix build error

* DOCS-16239 renaming release notes

* DOCS-16239 internal feedback

* DOCS-16239 feedback

* DOCS-16239 nit

Author: jocelyn-mendez1

source/core/aggregation-pipeline-limits.txt

@@ -27,14 +27,20 @@ limit only applies to the returned documents. During the pipeline
 processing, the documents may exceed this size. The
 :method:`db.collection.aggregate()` method returns a cursor by default.
 
+.. _stage-restrictions:
+
 Number of Stages Restrictions
 -----------------------------
 
 .. versionchanged:: 5.0
 
    MongoDB 5.0 limits the number of :ref:`aggregation pipeline stages
    <aggregation-pipeline-operator-reference>` allowed in a single 
-   pipeline to 1000.
+   pipeline to 1000. 
+   
+   If an aggregation pipeline exceeds the stage limit before or after being parsed, 
+   you receive an error. 
+
 
 .. _agg-memory-restrictions:
 

source/release-notes/7.1.txt

@@ -133,6 +133,12 @@ TTL Indexes
 Starting in MongoDB 7.1, you can create :ref:`TTL indexes <index-feature-ttl>` 
 on :ref:`capped collections <manual-capped-collection>`.
 
+Error Codes for Exceeding Pipeline Size Limit
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Starting in MongoDB 7.1, an aggregation command will throw an error when a pipeline 
+exceeds the pipeline stage limit. For more details, see :ref:`stage-restrictions`.  
+
 serverStatus Output Change 
 --------------------------