diff --git a/errorlog.md b/errorlog.md
index bc091a95..235a7375 100644
--- a/errorlog.md
+++ b/errorlog.md
@@ -17,6 +17,8 @@ Categories (the `[type]` tag): _(none)_ = skill/command execution failure ·
 
 <!-- Append entries below this line -->
 
+2026-06-27 | GURU-5070 | sync/bash-timeout | [friction] sync.sh SIGTERM'd at 2min: Bash tool default 120s timeout collides with sync.sh's ~120s lock-wait window (exit 143). Fix: invoke sync.sh with Bash timeout >=180000ms so it can acquire the lock or cleanly exit 75
+
 2026-06-27 | GURU-5070 | syncro/bot-alert | [friction] posted bot-alert without the mandated '-> <link>' tail; format is [SYNCRO] <tech> <verb> #num (cust) - summary -> https://computerguru.syncromsp.com/tickets/<id> [ctx: ref=syncro.md#post-to-bot-alerts]
 
 2026-06-27 | GURU-5070 | birthbio/datto-sharepoint | [correction] assumed 'reappearing' files were a Datto two-way-sync resurrection from the transfer VM; correct: they were stale copies left in SharePoint since the April additive push (deleted from Datto later, never removed from SP). Mirror cleanup removed them.