The messages issued by openFT in response to your actions are the same as those issued at the command interface. These messages and their meaning are given in the manual "openFT (z/OS) - Installation and Operation".
Errors you make when entering data into the panels are displayed in the usual way in ISPF (output of a short message or, if the HELP command is issued, a long message).
Short messages and long messages can also occur for other reasons, however, e.g. in the event of errors when accessing temporary files. There are the following temporary files:
<inst>.FJCMD.TMP.OUT
When some of the menu interface functions are executed, a temporary PS data set is created to buffer the command. This data set is usually deleted again after the function has been executed.
inst: Instance name of the currently set openFT instance
<inst>.FJCMD.TMP.MSG
When some of the menu interface functions are executed, a temporary PS data set is created to buffer the messages generated by openFT. The content of this data set is automatically displayed on the screen (internal call of the PDF BROWSE service). Under normal circumstances, the data set is deleted when the display is closed.
inst: Instance name of the currently set openFT instance
If a temporary file cannot be created, you receive the following messages:
Short Message: I/O - ERROR
Long Message: ERROR OCCURRED ON ACCESSING TEMPORARY OUTPUT FILE.