AWS pcs: Add troubleshooting link for invalid node registration (INVALID_REG)

Service: pcs · 2026-09-27 · Documentation low

File: pcs/latest/userguide/troubleshooting.md

Summary

Adds a bullet to the AWS PCS troubleshooting topic list pointing to a new page about invalid node registration (INVALID_REG).

Security assessment

This is purely a table-of-contents addition of a troubleshooting link for node registration errors; it adds no security feature, control, or vulnerability information, so it is a non-security documentation change.

Evidence

+  * [Invalid node registration (INVALID_REG)](./troubleshooting-invalid-registration.html)

Diff

diff --git a/pcs/latest/userguide/troubleshooting.md b/pcs/latest/userguide/troubleshooting.md
index 684030f2a..8fd940cc5 100644
--- a//pcs/latest/userguide/troubleshooting.md
+++ b//pcs/latest/userguide/troubleshooting.md
@@ -22,0 +23,2 @@ The following topics provide guidance to troubleshoot some problems you might en
+  * [Invalid node registration (INVALID_REG)](./troubleshooting-invalid-registration.html)
+