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when running my process appear a error massage "Attempt to deference a state widget handle". and also all rallback. how i skip this error. progress 9.1D/C source file and error msge have attached.

I'm going to create a summery table for create a web view. So when my process running "Lock table overflow, increase -L on server (915)" aspired. in process, there are querying many tables. When get the error msg ,i edit my program and release all the table.now that error coming after long...

when doing day end process in my system screen getting freezing. I have attached a screen print also. How can i avoid this issue.

when we coding , how to make a high performance program? 1)Find first . if not avail. 2) if not can-find(first) in this code statement which one is the fastest statement? and also i want to know about "what are the best ways to optimize my program" & "what are the codes what make program...

In my system, there are 50 db licence.But same times users limit is exceed.At that time appearing a error message "The server or the system has no more resources. Try a larger -n. (748)". I want to handle this error and give a proper massage to system users. Because this massage cant...

in my program there is process, it running ruffly 3 hours. In the middle of this process. I have give warning message to user when error data trying to update to db and avoid it. one day it proceed and process executed nicely,my waning message also occurred. At last there is message...