diff --git a/docs/SUMMARY.md b/docs/SUMMARY.md
index 179794f..eec716e 100644
--- a/docs/SUMMARY.md
+++ b/docs/SUMMARY.md
@@ -22,6 +22,6 @@
 * [Customize](customize.md)
 * [Publishing](publishing.md)
 * [Behind Toolbox](about.md)
+* [Troubleshooting](troubleshooting.md)
 
 // Build, deploy, etc
-
diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
new file mode 100644
index 0000000..556f139
--- /dev/null
+++ b/docs/troubleshooting.md
@@ -0,0 +1,20 @@
+# Troubleshooting
+
+## Problem to deploy
+Trying to ```yarn deploy``` and get this error :
+```
+TypeError: Cannot read property '0' of null
+    at Function.module.exports.Commit.actor (/PROJECT_FOLDER/node_modules/gift/lib/commit.js:145:56)
+    at Function.module.exports.Commit.parse_commits (/PROJECT_FOLDER/node_modules/gift/lib/commit.js:111:21)
+    at /PROJECT_FOLDER/node_modules/gift/lib/commit.js:55:39
+    at ChildProcess.exithandler (child_process.js:280:7)
+    at ChildProcess.emit (events.js:182:13)
+    at ChildProcess.EventEmitter.emit (domain.js:460:23)
+    at maybeClose (internal/child_process.js:961:16)
+    at Process.ChildProcess._handle.onexit (internal/child_process.js:250:5)
+✨  Done in 18.65s.
+```
+It's a gift issue so until this
+```
+$ cd node_modules/gulp-gh-pages/ && npm install gift@0.10.1
+```