» Thu May 31, 2012 1:06 am
It has been reported that a http://www.gamesas.com/topic/1360249-script-error-post-15-update-quest-cr04/ from the released version of 1.5 (strangely, this problem didn't exist in the beta despite them being the same build number).
The person who posted http://www.gamesas.com/topic/1358779-wetriggerscript-myholdlocation-error-cant-play-at-all/ claimed to have fixed it simply by installing the Creation Kit, but I suspect additional steps were taken.
This issue has also been reported with a mod called Warzones. It has also been reported under several versions of Skyrim, not just 1.5.24. I have never seen it.
If you have never used any mods other than the two that you have listed, I would look at the discussion threads of those mods to make sure no script changes are made. Mod authors sometimes take liberties in the changes they make, despite their mods being purely aesthetic in nature. Also, this kind of error will occur even if you've used an offending mod and since removed it since a mod's data will modify a savegame file. Removing the mod will not clean up these records from the savegame file, allowing references to absent data to occur. If you've never installed a mod that causes this, and downloading the CK doesn't help, the only other thing I can suggest is verifying local game cache in Steam. Beyond that, I'd find an instance that causes the error and try progressively older saves to see if the error starts with a particular save. This would allow you to progress from an earlier save rather than starting over.