Which Activities Does Each System Status Permit or Forbid? 
The following is an overview of the most important business transactions in Funds Management , and which system statuses permit or prohibit them.
Status Open
The following are among the business transactions permitted in the system status Open :
Set system status Released
Funds reservations
Funds precommitments
Funds commitments
The following transactions are forbidden:
Set system status Closed
Reverse system status Released
Post incoming invoice
G/L account posting
Post goods issue
Post goods receipt
Released
In the system status Released , all business transactions are permitted, except:
Set system status Released
Reverse closing
Closed
In the system status Closed , all business transactions are prohibited, except:
Reverse closing