Gump images are in gump.mul, you may as well edit that if you're going to be supplying images with the client anyway.
Convert them to BMP for importing in Fiddler.
You can actually "stream" images in gumps, it has been a feature in Vita-Nex as a proof of concept for a while, but it is entirely...
If you're running anything other than P58, it's broken and won't properly display any version due to changes in .NET and MONO.
You can hover ServUO.exe to find the assembly version, which is usually 0.5.* - but even this doesn't help much.
You're likely running P57 or older.
If you're running...
It looks like the handling for this was removed in later expansions post-AOS and dry-docking is done through the context menu instead.
Unless you enable context menus for your targeted LBR expansion, you'll have to modify the code to re-implement dry-docking the old way.
This can be achieved by...
That script is the base class for the item you're working with, it doesn't actually handle lock-down security (ISecurable) and is an abstract class which cannot be constructed directly (like via [Add command) - you'll need to post the script of the item class that inherits WritingtableAnimation.
Update to .NET 4.8
Perform housekeeping operations.
Extend visible art tile range to max.
Removes CPU info from logging.
Profiles are now stored locally.
Simplify application startup and profile creation flow.
Fix issues with splash screen covering startup...
A number of things could cause it to do that, but it's most likely because it can't access the data files in the data path.
Make sure your data path is absolutely correct, and taht you are not running the UO client.exe from that location (the data path files cannot be shared with the server -...