Cannot Read Property 'viewport' of Nulluber Map

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Bug "Cannot read property "width" of null"

• Thread starter Lakaroth
• Start date Oct vi, 2016

• Tags

  i.2.0 bug film

Status

Non open up for further replies.

• #1

Before posting i accept read something about this bug, posts about months ago, so i endeavor again, because in that location'due south no solution.

Randomly the game crash with this fault:

Uncaught TypeError: "Cannot read property "width" of null"

Subsequently doing some enquiry, it seems this is a known outcome with RPG Maker MV caused by the method of screen flickering used in our game (rapidly displaying/erasing a pic with 1 frame of waiting in between).
I have removed the (1 frame) in my game, i use that for a custom menù like Zelda made by pictures for cursors and items.

My Rpg_Core.js is 1.ii.0, because with the uptades to one.3.i i take Some Screen Flickering glitches, with black tiles on the edge when the game create the map.

So my question is:
Is this problems fixed in i.3.i (i that case i focus to find out how to fix screen flickering)

Or at that place's a known sloution for the one.2.0?

All-time

Last edited by a moderator: October 6, 2016

• 

• #2

you're wrong in several points.

This is non "A" bug, it is a type of bug that has dozens of variants. And in that location always has been a solution, just because this is not a single bug (and it is NOT crusade by the engine but past the project), the solution has other details depending on which project and programmer it is.

Basically, there are iv different causes that can result in a message like this. The fourth is a special example depending on the exact error message (I can't tell because you didn't give a screenshot of the panel output of that message)

1) you tried to play with an incompatible saved game - please try if that error happens if yous started a new game instead of continuing a saved file

If you add a new plugin, in 80% of all cases that plugin needs to exist initialized with a new game. If you continue a saved file, sooner or later you'll get to the betoken where the new plugin tries to access information that has not been initialized (that is the Nix) and cause an mistake.

The solution is simply to offset a new game.

2) you installed a combination of plugin that is incompatible or in the wrong order

Basically that may too cause some initializations to fail, once again resulting in the Zilch-Object, merely that in this case a new game is not enough to solve the problem - you need to disable your plugins i after another, each fourth dimension starting a new game, until the error no longer happens - then you'll know that the last plugin disabled is part of the cause.

Here a screenshot of the console would help equally information technology lists the names of involved plugins.

(this can especially happen if the plugin in question is no longer compatible to the core used - there are several cases where plugins written for 1.0 are incompatible with those written for 1.2 or 1.3 (and some plugins for ane.ii are incompatible with one.3)

3) Some data (plugin or database) points to non-existing entries

It's most probable a incorrect plugin configuration, because the just manner information technology could happen with the database is if yous delete entries by reducing the maximum ID. If you never did that, it tin but be a plugin property pointing to an entry that does not exist.

4) Outcome Picture commands have been mixed up

There are several effect commands for manipulating pictures, and they all are linked by motion picture ID.

Nonetheless, if a moving-picture show is erased past event command and and so after that another event command tries to admission the erased flick, then again a message like the 1 you gave tin can happen - because once more, that is accessing an object that no longer exists and is now NULL.

This tin happen especially if you use film commands in parallel procedure events, and got into a timing problem that didn't switch off the subsequently PPs in time.

Oh - and screen flickering is usually a problem caused by wrong parallel processes also - so I suggest you really check the option 4 and find out where you fabricated a mistake in your parallels that might have acquired this.

• #3

@Andar thank you i first to empathise, peradventure is the bespeak 4 or maybe also the plugin Iavra Gif here the console log, what you retrieve?

• #4

Sorry if this has already been resolved, but I become the aforementioned message only when I select Battle Test in the Troops menu. Information technology works fine in game, and I've tried removing all plugins and adding them back in but to no solution. If anyone could help that would be peachy!

• 

• #5

@squid
NO, you don't have the aforementioned problems - you have a unlike bug that causes the same type of bulletin (every bit exercise hundreds of other bugs. So you need to brand your own topic with your own details and screenshots.

Closing this

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