MM- Sorting error

Any result? I get this error also and cannot figure out the problem

A progress help message for this error is :

An unexpected system error has occurred. Please do the following:

1. If the error occurred while running an existing application or

during database admin functions, the error may be due to a

hardware/system problem, r-code corruption, or data corruption.

Note what was processing during the time the error occurred.

Check your system error logs and Progress database log file for

any additional errors.

2. If the error occurred while running a new application or procedure,

try to reproduce and isolate the code that results in the error.

3. Search the on-line Progress knowledgebase for information on the

error. The kbase can be accessed via the Progress web site at:

http://www.progress.com or

http://www.progress.com/services/techsupport/online.html

4. If the above does not lead to resolution, please contact your

dealer (VAR) who sold you PROGRESS, or the Progress Technical

Support center for your region.

So trying to understand your case and the approperiate solution.

Hope it helps