Installing and upgrading help

Hi,

When upgrading from "M3.10.4+" to "M3.11" got this error message:

"error/The session caches can not be in the session store when enable_read_only_sessions is enabled. Please map all session mode caches to be outside o..."

Only after adding "$CFG->enable_read_only_sessions_debug = true;" I could proceed to complete the upgrade.

Ricardo