Update 'documentation/setup.md'

documentation/setup.md

@@ -77,7 +77,12 @@ After starting stack:
 1) Recreate stack gitea  _[Docker Compose](../docker/docker-compose.yaml)_ with original read only restrictions on duplicati volumes
 1) Confirm everything is ok and running
 1) Return to duplicati on schedule job add script to run-script-before-required /data/myScripts/backupdb.sh
-1) Execute a backup
+1) Execute a backup, ir error related with db security 
+   1)Enter on mysqlserver bash
+   1)msqyl -uroot -p
+   1)use root password
+   1)GRANT PROCESS ON *.* TO <$MYSQL_USER Docker enviroment>;
+   1)flush privileges;
 1) Reenable Scheduling
 
 ### Database