>We use the Mere Mortals framework. Somehow one of our forms is running into the following problems:
Just to be more specific:

The exact command that failed is SET DATASESSION TO (lnSavedataSession)
(lnSaveDataSession is not set.)

It was called from just2.oenvironment.osessionevironment.set
(just2 is the name of our application and the main app environment)
inherited by frm_main_search.osessionenvironment.set
(frm_main_search is the form name of the main search form for our application.)