AlumniWashington,
The Missing Object part of the test log's message points to the object that was not found.
The error indicates that the mapping settings of this object or, perhaps, its parent objects were changed.
Look at the alias. It contains objects like ResizableFrame_1.ContainerContainer. This means that your target object (SortableTable) belongs to some nested containers. This is the kind of controls whose properties are changed quite often.
You wrote that --
2. Re-recording the steps.
It would work the first time but after that it would show the same error.
This makes me think that identification properties of containers change from one application session to another.
To solve the problem, you have to explore your application and choose new name mapping settings.
Unfortunately, I cannot assist with this here because the steps depend on your application.
TestComplete documentation has a topic that explains possible causes and solutions. Maybe it will help --
Handling the 'Object Does Not Exist' Error.
Btw, a link to this topic should be at the end of the test log error message you mentioned. The Handling the 'Object Not Found' Errors section has a list of similar topics.
