If you are in the Miva Merchant admin and this error breaks the store:
Runtime error in mm5/5.00/admin.mvc @ [00000332:000003d8]: admin/storemod.mv: Line 882: MvDO: No such file or directory
it means there is a module file physically missing.
The "Line 882" will most likely change as Miva Merchant 10 is updated, but the error will probably remain the same until the developers add a routine to check for the existence of module files before trying to access them.
This error comes up if you rename, move, or delete a module manually using FTP, your hosting control panel, or some other means.
The only way to get rid of this error is to put the file back or go into PHPMyAdmin and manually edit the store tables relating to modules (which I will not explain here: If you know how, you know how, if you don't, you shouldn't do it.)
