Source symbol does not exist
when I am creating purchase order, system is giving error message source sumbol does not exist, and when I click on Proceed, system is taking to OT05.
But OT05, all the source symbols have been defined.
Planning levels has been maitnained in vendor/customer masters/GL accounts.
Planning level and source have been maintained.
Planning level is assigned to planning groups.
Define planning levels for Logistics.
can any one explain what could be the problem.