So, this is a problem that many people have apparently had, but with no real solutions. A Google web search has 3 pages of this error, with no luck in fixing it.
So, here are a few suggestions.
1) Upgrade Access 2002 to the latest Service Pack level. On the machine that has this problem, go to http://office.microsoft.com and click the Check For Updates link on the right-hand side.
There is probably an update by now.
Now, I "really" don't think that this will fix it, but it would be good to do it just to rule out service packing!
Ok, what you really will need to do is make another database, and Import all of your data from your current broken one into this new one. Import the Tables, Queries, Reports, Macros, Modules, then the Forms.
You see, there is an error in the db itself (IMHO) that is causing this. So, make a new db, import your data into it, and HOPEFULLY this will fix it. Importing the Forms into the new copy might bring the error into the new database copy. So, if you could recreate the forms that cause the error, that would probably be the safest way to go. If making the Forms is too difficult, then try the import and hope the error does not come over!
hope this helps